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"Manual Locksmith Tool Training Lock Pick Gun with Nine Compact Key"
"Manual Locksmith Tool Training Lock Pick Gun with Nine Compact Key"
Price: 18.99

"Manual Locksmith Gun Tool w/ Bull Head Lock + 9 Single Hook Tool Set"
"Manual Locksmith Gun Tool w/ Bull Head Lock + 9 Single Hook Tool Set"
Price: 13.99

"Crescent Lockpick Practice Padlock w/ 2-Key - Transparent"
"Crescent Lockpick Practice Padlock w/ 2-Key - Transparent"
Price: 7.99

"Transparent Practice Padlock + 5 Lock Picks Tool Set - Silver"
"Transparent Practice Padlock + 5 Lock Picks Tool Set - Silver"
Price: 7.62

"1.8 8X8 Red LED Matrix Display Module with SPI interface for Arduino"
"This is a 8X8 LED dot matrix display module that can be used to display characters and graphics and it is simple to control it.Features:- Compatibility: Compatible with Arduino UNO R3 / Arduino Mega2560;- Libraries for Arduino: Max72xxPanel and Adafruit-GFX;- Resolution: 8 x 8 - LED color: Highlight Red;- Display size: 1.8 inch;- LED size: 3mm;- Cascadable: Yes, Seamless cascadable;- Number of cascadable node: 32(MAX);- Driver IC: MAX7219;- Working voltage: 4.5~5.5V;- Working current: 250mA(MAX);- Interface logic voltage: 5V;- Interface type: SPI;- Great for Arduino DIY projects.GeneralModelLED MatrixQuantity1 pieceForm ColorBlack + WhiteMaterialPCB + plasticSpecificationScreen TypeLEDScreen Size1.8 inchResolution8 x 8Working Voltage 4.5~5.5VWorking Current250mAEnglish Manual / SpecYesDownload Link https://drive.google.com/drive/folders/0B6uNNXJ2z4CxTnNSOU9pOE1rdk0?usp=sharingPacking List1 x LED Matrix modulePackage Weight:0.013kg (0.029lb)Package Size:5.5cm x 4cm x 2.5cm (1.97in x 1.57in x 0.79in)"
Price: 3.49

"Universal Anti-radiation 3.5mm Wired Single Conduit Earphone"
"Sensitivity: 113dB; Cable length: 165cm; Impedance: 32ohm; Plug diameter: 3.5mm; Speaker Diameter: 10Φmm; With stereo sound quality, makes you enjoy the excellent sound.GeneralQuantity1 setForm ColorWhite + TranslucentMaterialPVCSpecificationCompatible BrandUniversal, suitable for IPHONE4, 4S, IPHONE5, 5S, HTC, SamsungCompatible ModelIPHONE4, 4S, IPHONE5, 5S, HTC, SamsungPacking List1 x Earphone2 x Earbuds1 x Clip1 x Chinese / Rnglish user manualPackage Weight:0.031kg (0.068lb)Package Size:12cm x 10.5cm x 1.4cm (4.72in x 3.94in x 0.39in)"
Price: 3.49

"Anti-radiation 3.5mm Wired In-Ear Air Conduit Earphones w/ Mic"
"Sensitivity: 113dB; Cable length: 130cm; Impedance: 32ohm; Plug diameter: 3.5mm; Speaker Diameter: 10Φmm; With stereo sound quality, makes you enjoy the excellent sound.GeneralQuantity1 setForm ColorWhite + Transparent + Multi-ColoredMaterialPVCSpecificationCompatible BrandUniversal, suitable for IPHONE4, 4S, IPHONE5, 5S, HTC, SamsungCompatible ModelIPHONE4, 4S, IPHONE5, 5S, HTC, SamsungPacking List1 x Earphones2 x Earbuds1 x Clip1 x Chinese / Rnglish user manualPackage Weight:0.036kg (0.079lb)Package Size:10cm x 10cm x 3cm (3.94in x 3.94in x 1.18in)"
Price: 4.49

"JAKEMY JM-B01 Big 600D Oxford Fabric Tool Storage Bag - Black + Orange"
"GeneralBrandJAKEMYQuantity1 setForm ColorBlack + Orange + Multi-ColoredMaterial600D oxford fabric + PUSpecificationInner Size32 x 20.8 x 22cmPacking List1 x Tool storage bagPackage Weight:0.5580000000000001kg (1.230lb)Package Size:35cm x 25cm x 23cm (13.78in x 9.84in x 9.06in)"
Price: 16.49

"M3 x 20mm Hex Cap Head Screws - Black (10PCS)"
"Length: 20mmDiameter: 3mmGeneralQuantity10 piecesForm ColorBlackMaterialSteelSpecificationEnglish Manual / SpecYesOther FeaturesCertificationCEPacking List10 x ScrewsPackage Weight:0.014kg (0.031lb)Package Size:3cm x 2cm x 2cm (1.18in x 0.79in x 0.79in)"
Price: 2.66

"TCS34725 RGB Color Sensor with IR filter and White LED"
"Your electronics can now see in dazzling color with this lovely color light sensor. We found the best color sensor on the market, the TCS34725, which has RGB and Clear light sensing elements. An IR blocking filter, integrated on-chip and localized to the color sensing photodiodes, minimizes the IR spectral component of the incoming light and allows color measurements to be made accurately. The filter means you'll get much truer color than most sensors, since humans don't see IR. The sensor also has an incredible 3,800,000:1 dynamic range with adjustable integration time and gain so it is suited for use behind darkened glass.We add supporting circuitry as well, such as a 3.3V regulator so you can power the breakout with 3-5VDC safely and level shifting for the I2C pins so they can be used with 3.3V or 5V logic. Finally, we specified a nice neutral 4150°K temperature LED with a MOSFET driver onboard to illuminate what you're trying to sense. The LED can be easily turned on or off by any logic level output.GeneralModelN/AQuantity1 pieceForm ColorPurpleMaterialFR4, PCBSpecificationApplicationColor recognitionWorking Voltage 3.3V or 5VEnglish Manual / SpecNoDownload Link https://github.com/adafruit/Adafruit_TCS34725Packing List1 x Modular1 x PinPackage Weight:0.002kg (0.004lb)Package Size:8cm x 6cm x 0.5cm (3.15in x 2.36in x 0.00in)"
Price: 22.99

"2mm Mini Hard Aluminium Alloy Drilling Bits (5PCS)"
"2mm Mini Hard Aluminium Alloy Drilling Bits (5PCS)"
Price: 3.99

"WS2812B 5050 RGB LED 40-Bit Full Color nDevelopment Board for Arduino"
"Control circuit and RGB chip are integrated in a package of 5050 components, form a complete control of pixel point.Built-in signal reshaping circuit, after wave reshaping to the next driver, ensure wave-form distortion not accumulate.Built-in electirc reset circuit and power lost reset circuit.Each pixel of the three primary clor can achieve 256 brightness display, completed 16777216 color full color display, and scan frequency not less than 400Hz/s.Cascading port transmission signal by single line.Any two point the distance more than 5m transmission signal without any increase circuitWhen the refresh rate is 30fps, cascade number not less than 1024 points.Send data at speeds of 800KbpsThe color of the light were highly consistent, cost-effective.ApplicationsFull-color module, full color soft lights a lamp stripLED decorative lighting, indoor / outdoor LED video irregular screenGeneralModelN/AQuantity1 setMaterialFR4, PCB, LEDSpecificationScreen TypeWS2812B 5050 RGBWorking Voltage 0VEnglish Manual / SpecNoDownload Link http://www.adafruit.com/datasheets/WS2812B.pdfPacking List1 x BoardPackage Weight:0.025kg (0.055lb)Package Size:12.7cm x 12.7cm x 0.4cm (4.72in x 4.72in x 0.00in)"
Price: 9.99

"Electromagnetic Radiation Detector EMF Meter Tester Equipment - Black"
"Features: Simple operation and highly sensitive; Can detect the power of electromagnetic radiation around home electronics, electric wire, industrial equipment and so on; Wide range of detectable frequency; Data hold function.Applications: For detecting environmental electromagnetic radiation: indoors, computer station room, industrial control room, electric wire, high voltage wire, monitors, etc. For detecting home electronics: cellphone, PC, TV set, copy machine, fax machine, microwaves, refrigerator and so on. NOTES: The dosimeter is for testing the electric field radiation. If the test equipment earthing shielded, the test would fail. Metal will shield the radiation, too. If the meter keeps display ""0"" while testing, please change a battery and test again.Specifications: Display readings: Three semi-liquid crystal display, maximum reading 1999; Housing: ABS; Power: 1 x 6F22 9V Battery (not included); Frequency Range: 50Hz~2000MHz; Reacting time: 0.4SGeneralModelN/AQuantity1 pieceMaterialABSSpecificationScreen Size2 inchesPowered By6F22Battery Number1Battery included or notNoPacking List1 x Electromagnetic radiation detector ( 1 x 6F22 9V Battery, not included )1 x English user manualPackage Weight:0.183kg (0.403lb)Package Size:16.5cm x 11.3cm x 4.6cm (6.30in x 4.33in x 1.57in)"
Price: 12.49

"ESP8266 ESP-12E Wi-Fi Development Board Module"
"This is a new version of the high-performance 2.4G wifi development board based on the ESP-12E and CH340G. After installing the hardware package for this development board on Arduino-1.6.5 IDE, you can use the IDE to program and design.- Specially supply for Arduino lover- Compatible with Arduino, you can use the Arduino IDE directly- It makes you easier and faster to complete the project of Wifi remote home appliances- Wireless Upload Program available- It is built based on the mature and popular ESP8266 technology. You can take advantage the abundant resources available on the web. - It has built-in USB-TTL serial with super reliable industrial strength CH340G for superior stability on all supported platforms.- Antenna Type: Built-in PCB antenna is available. - Wireless Network Mode: station / softAP / SoftAP + station.- Wireless criteria: 802.11 b / g / n.- WIFI @ 2.4 GHz, support for WPA / WPA2 security mode.- Working voltage: 3.3V- IO logic level: 3.3V- DC jack input voltage: 6-24VDC- DC jack input current: 800mA(MAX)- Micro USB socket input current: 500mA(MAX)- ADC pin (A0) input voltage: 0-3.3V- Flash capacity: 4M Bytes- Clock frequency: 80MHz or 160MHz- Applications: Smart Car, Home automation, Sensor networks, Industrial wireless control based on the ESP-8266EX.Arduino Compatible, you can use it on Arduino IDE.11 Digital I/O pins1 Analog Input pinOTA -- Wireless Upload(Program)On board switching power supply -- Max 24V input, 5V 1A outputGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceForm ColorBlue + BlackMaterialPCB + Alloy + PlasticSpecificationEnglish Manual / SpecYesDownload Link http://pan.baidu.com/s/1gdye4zLPacking List1 x ESP-12E UNO wifi development board1 x English user manualPackage Weight:0.024kg (0.053lb)Package Size:9cm x 7cm x 3cm (3.54in x 2.76in x 1.18in)"
Price: 5.27

"TEMT6000 Ambient Light Sensor - Purple"
"GeneralModelN/AQuantity1 setForm ColorPurpleMaterialFR4, PCBSpecificationApplicationCan identify light and inhibit infrared (IR) spectrumWorking Voltage 0VEnglish Manual / SpecNoDownload Link http://bildr.org/2011/06/temt6000_arduino/Other FeaturesCertificationMaximum Sensitivity: 570nm, with +/-60' sensitivity angle, can inhibit IR spectrum, so provide higher visible spectrum response similar to ""the human eye"".Packing List1 x Ambient Light Sensor Package Weight:0.005kg (0.011lb)Package Size:1.4cm x 0.8cm x 0.3cm (0.39in x 0.00in x 0.00in)"
Price: 3.49

"M3x3mm Hex Grub Head Screw 10P AXA180"
"GeneralQuantity10 piecesForm ColorBlackMaterialScrewSpecificationEnglish Manual / SpecNoOther FeaturesCertificationCEPacking List10 x ScrewsPackage Weight:0.007kg (0.015lb)Package Size:2cm x 2cm x 2cm (0.79in x 0.79in x 0.79in)"
Price: 1.99

"433MHz Spring Antenna 2dBi 2PCS for 433MHz RF Modules"
"- Frequency: 420-440MHZ- S.W.R.≤2.0- Antenna Gain:2.0dBi- Output Impedance: 50 Ohm- Polarization Type:Vertical or horizontal- Material: Phosphor copper- Spring outer diameter: Wire diameter is 0.6mm, and the outer diameter of the spring circle is 5.0mm.- Spring length: Total length 27mm.- Connector Type: Soldered directly to useGeneralModelN/AQuantity1 setMaterialPhosphor copperSpecificationEnglish Manual / SpecYesDownload Link http://pan.baidu.com/s/1qWILp6WPacking List2 x 433MHz Spring Antennas (27mm)Package Weight:0.002kg (0.004lb)Package Size:5.5cm x 2.5cm x 2.4cm (1.97in x 0.79in x 0.79in)"
Price: 1.99

"Mini RF Transmitter Receiver Module 433MHz Wireless Kit for Arduino"
"The kit includes one pair of transmitter and receiver modules and one pair of spring antennas for increasing the communication distance. And the frequency is 433MHz. It is very popular for remote control systems, such as wireless doorbell, remote control rolling gates, smart car, smart home, etc.- Compatible with Arduino- Arduino Library: VirtualWire- Working voltage: 3-12VDC- Working current: 3.5mA- Working frequency: 433MHz- Transfer rate: 4.8kbps (max)- Transmission distance: When the spring antennas are soldered to transmitter and receiver module and the power supply is 5V, the open area transmission distance can be increased to 40 meters. The supply voltage is larger, the transmission distance farther.- Antenna: You can use the wire whose length is 17cm or the spring antenna for 433MHz RF. About receiver module (rectangle shape):- Compatible with Arduino- Arduino Library: VirtualWire- Operating voltage: 4.5 ~ 5.5VDC- Working frequency: 433MHz- Working Current: 1mA- Sensitivity: -105db- Antenna: You can use the wire whose length is 17cm or the spring antenna for 433MHz RF.- Great for DIY project.GeneralModelN/AQuantity1 setMaterialPCB + AlloySpecificationFrequency433MHzWorking Voltage 3~12VWorking Current3.5mAEnglish Manual / SpecYesDownload Link http://pan.baidu.com/s/1c0jXgeGPacking List1 x 433MHz RF transmitter module 1 x 433MHz RF receiver module 2 x 433MHz spring antennas(27mm) 1 x English user manualPackage Weight:0.013kg (0.029lb)Package Size:5.5cm x 5cm x 2cm (1.97in x 1.97in x 0.79in)"
Price: 2.99

"DM55-1 AC 80-300V LCD Digital Volt Meter Voltmeter US Plugss Electric Pen Meters"
"Features:Plug-in digital voltmeter is widely used in AC80-300V detection.It is important for you to let the children away from the product.Suitable for measuring the AC voltage in many place, such as office, factory, laboratory, household and so on.Specifications:Model: DM55-1Color: WhiteMaterial: ABSMeasuring Accuracy : ±1.5%, ±2 digitMeasuring Range: AC 80-300VConsume Power:"
Price: 3.99

"295mm Flexible Shaft Electric Drill / Electric Screwdriver Bit"
"295mm Flexible Shaft Electric Drill / Electric Screwdriver Bit"
Price: 3.49

"DS18B20 Temperature Sensor + DS18B20 Adapter Module for Arduino"
"The kit contains a waterproof digital temperature sensor DS18B20 and a DS18B20 adapter module, and it can measure the temperature directly in the water. Single bus interface allows the multiple DS18B20 sensors mounted on the same bus, so it can be multiple DS18B20 sensors are connected to the green terminals of the adapter module, in order to achieve a large area multi-point measurement of temperature. With pull-up resistor on board, the adapter module can be connected directly to most microcontrollers and it is widely used in temperature monitoring for fish tanks, equipment, machinery, greenhouses.Features:Single-bus communication, multiple sensors can share a data lineCompatible with Arduino UNO R3 / Mega2560Arduino library: OneWireWorking voltage: 3.2 ~ 5.25VDCWorking current: 2mA (max)Resolution: 9-12 bit programmableMeasuring range: -55 ~ 110 ℃Measuring accuracy: ±0.5'C@-10~+80'C; ± 2'C @ -55 ~ + 110'COutput leads: yellow (DATA), red (VCC), black (GND)GeneralModelN/AQuantity1 setForm ColorBlack + BlueMaterialPCB + Alloy + PlasticSpecificationApplicationUsed in temperature monitoring for fish tanks, equipment, machinery, greenhouses.Working Voltage 3.2 ~ 5.25VWorking Current2mAEnglish Manual / SpecYesDownload Link http://pan.baidu.com/s/1eQAYHwAPacking List1 x DS18B20 temperature sensor (cable length 100cm)1 x DS18B20 adapter modulePackage Weight:0.039kg (0.086lb)Package Size:9cm x 7cm x 2.5cm (3.54in x 2.76in x 0.79in)"
Price: 4.49

"Temperature Humidity Data Logger w/ USB / 1" LCD"
"This is a very practical temperature and humidity data logger. It can test and record 21000 temperature and humidity data, and the data can be download to the computer to analyze. It can be widely used in refrigerated shipment, refrigeratory etc.Features:It can measure the temperature and humidity online or offline, then display them in ℉,℃ and RH.This equipment can test and record 21000 temperature and humidity data. You can connect the equipment to the computer to record your temperature and humidity data to analyze with our program.It can record the data in excel and you can make the scattered data curve into a complete curve. It can get long-time track record with this data logger.You can easily set the time interval from 1sec. to 24h.It is energy-saving, powered by a 3.6V lithium battery, can be used for about 12 months.Small in size, portable to carry, easy to operate and in high-quality.How to install software:1. Take out our optical disk and put it in the disk reader region in your computer or PC.2. You can read the instructional txt and then operate the ""HT16X(Set up)"" to install the program.(we have the specific procedure in our user manual)How to use this software to get data:1. After installation of this software, please insert the instrument to the computer with USB interface.2. You can operate the software, doing parameter setting and synchronize it to the instrument.3. After setting, pull out the instrument and out it in your testing occasions.4. When the data are recorded by the instrument, you can connect it to the computer and operate the program to download those data and doing data processing at your ease.5. We have complete operations in our English user manual in diagram to guide you to use.Specifications:Power Supply: 3.6V Lithium Battery(Not Included)Temperature Measurement Range: -40°C~105°C(-40°F~221°F)Temperature Measurement Accuracy: ±1°C(±2°F)Display Resolution Ratio: 0.1°C(0.1°F); 0.1% RH Humidity Measurement Range: 0% RH~100%RHHumidity Measurement Accuracy: ±3% RHSaving Temperature Range: -40°C~125°C(-40°F~257°F)GeneralModelN/AQuantity1 pieceMaterialABSSpecificationScreen Size1 inchCelsius Range40~105°CFahrenheit Range40~221℉BacklightNoAuto Power OffNoPowered By3.6V lithium batteryBattery Number1Battery included or notNoOther FeaturesOther FeaturesHigh accuracyPacking List1 x Temperature humidity data logger 1 x CD 1 x User manual (English)Package Weight:0.105kg (0.231lb)Package Size:18cm x 10.8cm x 2.5cm (7.09in x 3.94in x 0.79in)"
Price: 28.49

"Multifunction USB 7000mAh 8.4V 4 x 26650 Battery Pack"
"GeneralModelN/AQuantity1 pieceMaterialLithium ionSpecificationCell TypeLithium IonBattery Model26650Head TypeFlat TopMark Capacity7000mAhMeasured Capacity 7000mAhVoltage8.4VRechargeableYesRechargeable Times500 times above , NonchargableBuilt-in Protected CircuitYesOver Voltage ProtectionYesShort-Circuit ProtectionYesOver-Charging ProtectionYesOver-Discharging ProtectionYesMercury FreeYesInterface5.5x2.1mmBattery Pack Form5.5x2.1Other FeaturesOther FeaturesUSB input voltage 5V; Output 1A.Packing List1 x 26650 Battery pack(cable 53cm+/-3cm)Package Weight:0.401kg (0.884lb)Package Size:8cm x 6cm x 6cm (3.15in x 2.36in x 2.36in)"
Price: 57.99

"Improved UNO R3 ATMEGA328P Board + Ethernet Shield W5100 for Arduino"
"Main Features:- UNO R3 board can be used as smallest system board and USBASP download APP- Useful for Arduino DIY projectUNO R3:- Microcontroller: ATmega328- Input voltage ( recommended ): 7 - 12V- Input voltage: 6 - 20V- Digital I/O pins: 14 ( of which 6 provide PWM output )- Analog input pins: 6- DC current per I/O pin: 40mA- DC current for 3.3V pin: 50mA- SRAM: 2KB ( ATmega328 )- EEPROM: 1KB ( ATmega328 )- Clock speed: 16MHzEthernet Shield W5100:- It allows the Arduino to be a simple web server- Supports reading and writing Micro SD / TF card- With Micro SD card slot, supports Micro SD card up to 2GB ( not included )W5100 user manual: https://drive.google.com/open?id=0B2s4P7cCZcFDem9WNlh0RFFUbmc GeneralModelUNO R3 + Ethernet Shield W5100Quantity1 setForm ColorBlueMaterialPCB + electronic componentsSpecificationEnglish Manual / SpecNoDownload Link http://pan.baidu.com/s/1jGDmX0MOther FeaturesOther FeaturesUNO R3: “CH340 USB. This update services for USB interface chip; Specification: Microcontroller: ATmega328; Operating Voltage: 5V; Input Voltage (recommended): 7~12V; Input Voltage (limits): 6~20V; Digital I/O Pins: 14 (of which 6 provide PWM output); Analog Input Pins: 6; DC Current per I/O Pin: 40 mA, DC Current for 3.3V Pin: 50mA, Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader, SRAM: 2 KB (ATmega328), EEPROM: 1 KB (ATmega328); Clock Speed: 16MHz. Ethernet Shield W5100: The Ethernet W5100 network expansion module allows the Arduino to be a simple Web server; Supports reading and writing mini SD / TF card; With Micro SD card slot, supports SD card up to 2GB.Packing List1 x Improved Version UNO R3 Board1 x Ethernet shield W51001 x USB cable (50cm)Package Weight:0.08699999999999999kg (0.192lb)Package Size:16cm x 12cm x 3.5cm (6.30in x 4.72in x 1.18in)"
Price: 11.49

"Universal Adjustable 30W 3/4.5/5/6/7.5/9/12V Power Adapter w/ 2.1A USB"
"Product features:1. This product is equipped with six connectors (2.5x0.7mm / 3.0x1.1mm / 3.5x13.5mm / 4.0x1.7mm / 5.0x2.1mm / 5.5x2.5mm).2. Input: AC 100-240V3. Output: 3/4.5/5/6/7.5/9/12V4. USB Output: 5V 2.1 A. Widely used in mobile phones, tablets, MP3/4, cameras, headphones, etc.GeneralQuantity1 pieceMaterialABS + PC + fireproofing materialSpecificationPower Range100-240VMax. CurrentN/AWorking Temperature0~40℃Other FeaturesOther FeaturesPower cable length: 114cmPacking List1 x Power adapter (EU plug / 100-240V) 1 x Key (Used to adjust the voltage - 3/4.5/5/6/7.5/9/12V) 6 x DC tips (2.5x0.7mm / 3.0x1.1mm / 3.5x13.5mm / 4.0x1.7mm / 5.0x2.1mm / 5.5x2.5mm)Package Weight:0.168kg (0.370lb)Package Size:8.5cm x 5cm x 7.2cm (3.15in x 1.97in x 2.76in)"
Price: 9.66

"TSSOP8 To DIP28 Programmer Adapter Test Socket - Black + Green"
"GeneralModelN/AQuantity1 pieceMaterialABS + PCBSpecificationEnglish Manual / SpecNoDownload Link NoPacking List1 x Test socketPackage Weight:0.015kg (0.033lb)Package Size:3.7cm x 2.4cm x 3.1cm (1.18in x 0.79in x 1.18in)"
Price: 2.99

"Acrylic Case for Raspberry Pi Series Expansion Board"
"It's fit to Raspberry Pi X Series Expansion Board (X105 / X200 / X205 / X300 / X400 / X600);GeneralModelN/AQuantity1 pieceMaterialAcrylicSpecificationEnglish Manual / SpecNoPacking List1 x Acrylic Case (with screws)Package Weight:0.094kg (0.207lb)Package Size:14cm x 9cm x 1.5cm (5.51in x 3.54in x 0.39in)"
Price: 4.15

"HC-SR04 Ultrasonic Sensor Distance Measuring Module for Arduino"
"This is ultrasonic sensor distance measuring module which a non-contact distance measurement module. It has high measurement accuracy and its blind area is close (up to 2cm).Features:- Compatible with Arduino, NodeMCU- Arduino library ready: HCSR04Ultrasonic- Working voltage: 3-5.5VDC- Static current: less than 2 mA.- IO logic voltage: 3.3V / 5V.- Induction angle: not more than 15 degrees.- Detection range: 2-400 cm.- Accuracy: 3mm- Adopt IO trigger through supplying at least 10us sequence of high level signal- The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal- If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving.GeneralBrandOPEN-SMARTModelN/AQuantity1 pieceForm ColorBlue + WhiteMaterialPCB + AlloySpecificationApplicationDistance MeasuringWorking Voltage 3~5.5VWorking Current2mAEnglish Manual / SpecYesDownload Link http://pan.baidu.com/s/1jG0cozsPacking List1 x Ultrasonic Range Sensor module1 x English user manualPackage Weight:0.017kg (0.037lb)Package Size:6.5cm x 4cm x 3cm (2.36in x 1.57in x 1.18in)"
Price: 2.99

"10X 15X 20X 25X Magnifier Magnifying Eye Glasses w/ 2LED"
"10X 15X 20X 25X Magnifier Magnifying Eye Glasses Loupe LED Jeweler Watch RepairApplication: Jewelry appraisal, electronic products and watches repair.Model: Loupe magnifierMaterial: Plastic, metal, acrylic optical lensMagnification: 10x, 15x, 20x, 25xLight: 2 x Lighting emitted diodesPower supply: 6 x Button batteriesGeneralQuantity1 pieceMaterialABSSpecificationMagnification10X 15X 20X 25XLens Size15mmPacking List1 x Magnifier (With 2 lenses)6 x Lenses 1 x Strap1 x English user manualPackage Weight:0.184kg (0.406lb)Package Size:16cm x 10cm x 6cm (6.30in x 3.94in x 2.36in)"
Price: 8.24

"Xpower IMR 18650 2000mAh Battery - Black + White (2PCS)"
"Features:1. battery cell: LG rechargeable lithium ion battery ICR18650HD22. Nominal Capacity: 2000mAh3. Nominal Voltage: 3.65V4. Standard Charge Constant current: 1000mA Constant voltage: 4.2V End condition(Cut off): 50mA5. Fast Charge Constant current: 4000mA Constant voltage: 4.2V End condition(Cut off): 100mA6. Max. Charge Voltage: 4.2V7. Max. Charge Current: 4000mA8. Standard Discharge Constant current: 400mA End voltage(Cut off): 2.5V9. Fast Discharge Constant current: 10000mA, 20000mA10. End voltage(Cut off): 2.5V11. Max. Continuous Discharge Current: 25A12. Initial AC Impedance: 20m, without PTC13. Weight: 45.0g14. Dimension: Max.(D)18.5*(H)65.2mm15. Life: Over 500 times charge & discharge cycle lifeNote:1. Do not incinerate;2. Do not disassemble;3. Do not short positive and negative contacts;4. Do not expose to heat;5. Do not completely discharge;6. Do not use force to install a li-ion battery;7. Use only high quality battery charger;8. Charge fully before first use;9. Store in cold and dry place at approximately nominal voltage.GeneralBrandXpowerModelN/AQuantity1 setMaterialIMR batterySpecificationCell TypeLithium IonBattery Model18650Head TypeFlat TopMark Capacity2000mAhMeasured Capacity 2000mAhVoltage3.7VRechargeableYesRechargeable Times500Built-in Protected CircuitNoOver Voltage ProtectionNoShort-Circuit ProtectionNoOver-Charging ProtectionNoOver-Discharging ProtectionNoMercury FreeYesPacking List2 x BatteriesPackage Weight:0.1kg (0.220lb)Package Size:2cm x 4cm x 7cm (0.79in x 1.57in x 2.76in)"
Price: 6.13

"Xpower IMR 18650 2000mAh 25A Li-ion Battery"
"Features:1. battery cell: LG rechargeable lithium ion battery ICR18650HD2 2.  Nominal Capacity: 2000mAh 3.  Nominal Voltage: 3.65V 4.  Standard Charge     Constant current: 1000mA     Constant voltage: 4.2V     End condition(Cut off): 50mA 5.  Fast Charge     Constant current: 4000mA     Constant voltage: 4.2V     End condition(Cut off): 100mA 6.  Max. Charge Voltage: 4.2V 7.  Max. Charge Current: 4000mA 8.  Standard Discharge     Constant current: 400mA     End voltage(Cut off): 2.5V 9.  Fast Discharge     Constant current: 10000mA,20000mA      End voltage(Cut off): 2.5V 10. Max. Continuous Discharge Current: 25A 12. Initial AC Impedance: 20 m, without PTC 13. Weight: 45.0g 14. Dimension: Max.(D)18.5*(H)65.2mm15. Life: Over 500 times charge & discharge cycle lifePackage Content1 * IMR 18650 Rechargeable BatteryNote1.  Do not incinerate; 2.  Do not disassemble; 3.  Do not short positive and negative contacts; 4.  Do not expose to heat; 5.  Do not completely discharge; 6.  Do not use force to install a li-ion battery; 7.  Use only high quality battery charger; 8.  Charge fully before first use; 9.  Store in cold and dry place at approximately nominal voltage.GeneralBrandXpowerModelXP18650-25AQuantity1 pieceMaterialIMR batterySpecificationCell TypeLithium IonBattery Model18650Head TypeFlat TopMark Capacity2000mAhMeasured Capacity 2000mAhVoltage3.7VRechargeableYesRechargeable Times500Built-in Protected CircuitNoOver Voltage ProtectionNoShort-Circuit ProtectionNoOver-Charging ProtectionNoOver-Discharging ProtectionNoMercury FreeYesPacking List1 x BatteryPackage Weight:0.055kg (0.121lb)Package Size:2cm x 2cm x 6.8cm (0.79in x 0.79in x 2.36in)"
Price: 3.16