1. Size: 35x16.6x2.5mm
2.Upper limit working current: 3A
3.Upper limit instantaneous current: 5A
4. Overload voltage range: 4.28V +/- 0.05V.
5. Over-discharge voltage range: 2.9V +/- 0.05V.
6. Quiescent current: less than 3uA
7. Charging voltage: 8.4-9V.
8. Short circuit protection: Delayed and protected self-reset
9. The lithium battery protection board can not be used for lithium iron phosphate battery, hernia lamp, hand drill battery. Electric fish machine battery pack. Please pay attention to the electric bicycle battery pack, children's car battery, 550 or more power motor, 1W fisheye LED, etc.
10. The described power range is applicable to the following products: massager battery, LED lamp backup power, 12V electronic products, solar street light battery, backup power monitoring and other products.

1. Frequency reception range: 64-108 MHz
2. Receiving sensitivity: 5dB
3. Product size: 80x28x20mm
4. Battery: 2 x 1.5V AAA batteries (not included)
5. Minimum operating voltage: 2.2V.
6. Maximum output power: 2.4MW
7.Maximum current: 26MA
8. Stereo separation: >= 32 dB
9. Distortion degree: <= 1%
10. Standard accessories: earphone, rope, white box, manual

1. Support wireless network.
2. Support Amazon Alexa and Google.
3. Support intelligent configuration network technology, easy access settings.
4. Support status monitoring, timely feedback of equipment status.
5. Easy to install, simple to handle, can be activated and stabilized immediately.
6. Specification:
Dimensions: 199mm x 89mm x 29mm
Weight: 430 g
Material: PC + ABS
Input voltage: 100-240V.
Output current: 10A
Working conditions: Temperature: -20~70 degrees Celsius; Humidity: less than 80%

1. This is a MK8 extruder aluminum feed kit for 1.75mm/3mm filament. (3mm is only available for short distance).
2. This kit is also available for left and right direction, short and long distance (with two push-in fittings), which provides 6 options in total, please choose according to your needs.
3. Please note that the stepper motor and cooling system are not included.

Functions and features
1. Original Xiaomi smart wireless mini switch, functional and creative daily home assistant.
2. Small pocket size, very easy to install and use: First, open the Xiaomi Smart Home APP, click + in the upper right corner of the phone, and add the Xiaomi smart mini wireless switch, and press the reset hole of the mini wireless switch according to the voice prompt.
3. After establishing connections between the wireless switch and the multifunctional gateway, just one click on the switch, the tntellilamp or night light will light up and ring. Therefore, in the morning, it is a helper to wake up your children when you are preparing breakfast in the kitchen. And at midnight, it is a thoughtful partner to help you find the way to the bathroom.
4. Combining Xiaomi smart socket and link scene setting, you have the ability to cut off all electrical equipment with just one click on the switch when you go out or get ready for sleep.
5. The shell is made of high quality anti-UV material, fashionable appearance and durable.

Hot Tips
This item forms a complete set with the original Xiaomi intelligent multifunctional gateway.

1. 80 inch display effect, 800*600 active matrix color.
2. Equipped with 21mm eyepiece and customized hood.
3. Adjustable diopter and brightness adjustment.
4. 3.7V JST external battery, convenient and fast.
5. CVBS signal input, support NTSC/PAL.
6. Metal case with internal fixing bracket, waterproof, dustproof and shockproof.
7. The humanized strap is comfortable and convenient, and supports up and down adjustment.
8. The 0.39-inch OLED panel module uses a single crystal silicon transistor. The panel is driven by the panel and driven by logic for small size, light weight and high definition.

1. Material: PP
2. Size: 515*474*159mm
3. Seat temperature, water temperature and air temperature are precisely controlled by the chip. Temperature stabilization eliminates accidental hot and cold.
4. The sprinkler head automatically moves back and forth, expanding the cleaning range and thoroughly eliminating dirt.
5. Night lighting, easy to use
6. One-click operation, easy to use
7. Functions: automatic deodorization, feminine cleaning, hip washing, seat ring heating, water temperature adjustment, etc.

1. 90 inch display effect, 1024x768 active matrix color.
2. Equipped with a 21mm eyepiece and a customized hood.
3. Adjustable diopter and brightness adjustment.
4. 3.7V JST external battery, convenient and fast.
5. CVBS signal input, support NTSC/PAL.
6. Metal case with internal fixing bracket, waterproof, dustproof and shockproof.
7. The humanized strap is comfortable and convenient, and supports up and down adjustment.
8. The 0.5-inch OLED panel module uses a single crystal silicon transistor. The panel is driven by the panel and driven by logic for small size, light weight and high definition.

1. Multimeters are a portable measuring instrument with stable and highly reliable function.
2. The multimeter uses large-scale integrated circuits with built-in dual A/D converter as the core
3. The multimeter can measure DC current, AC current, DC voltage, AC voltage, resistance, etc.
4. Suitable for schools, factories, families and amateur wireless lovers
5. DC voltage: 0.1V/0.5V/2.5V/10V/50V/250V/1000V.
6. AC Voltage: 10V/50V/250V/1000V.
7. DC Current: 50uA/2.5mA/25mA/250mA

1. Type: 2 red light lines
2. Extension angle: 130 degrees horizontal / 130 degrees vertical
3. Laser Category: Class 2
4. Light source: 40mW and 10mW
5. Laser wavelength: 635nm
6. Horizontal/vertical accuracy: +3mm/10m
7. Self-leveling range: 4 [+1].
8. Self-leveling time: less than or equal to 3 s
9. Working distance (line): 30m, cooperative receiver >50m
10. Working time: >12 hours (full light)
11. Power supply: 4 sections 5 dry batteries
12. IP Rating: IP54
13. Operating temperature range: - 10 C to 50 C
14. Storage temperature and time: - 20 ° C to 70 ° C
15. Installation size: 1/4'-20
16. Accessories: packing cartons, black soft packs, 4 dry batteries, PV1 brackets, instructions

1. With a compact and lightweight active area of ​​221 x 138mm, you can carry it anywhere easily for personal or business purposes, such as OSU playback, drawing, sketching, file editing, digital signature input and so on.
2. 5080 LPI resolution and 8192 levels pen pressure sensitivity allow you to control the line thickness, transparency and color more responsively and naturally.
3. Specification:
Pen technology: battery-free electromagnetic resonance.
Pushbuttons: 8 custom pushbuttons
Dimensions: 320.8 x 188.8 x 8 mm
Weight: 497 g
Working area: 221 x 138 mm
Pressure level: 8192 levels
Pen Resolution: 5080 LPI
Report rate: 233PPS
Accuracy: +/- 0.3mm
Detection height: 10mm
Tilt: +/- 60 degrees
Interface: Micro USB
OS Support: Windows 7 or later; MAC OS 10.11 or later
Digital Pen: PW100
Packing list:
Tablet with pen x 1
Battery-free pen x 1
Micro USB cable x 1
Pen holder x 1
Nibs x 8
Quick Guide x 1

1. Support interface: USB
2. Painting Area: 10 x 6 inches
3. Induction level: 8192
4. Reading speed: >233 points/s
5. Voltage and current: 5V<45mA
6. Support system: Windows XP / Vista / 7/8/10 (32 bit / 64 bit) Android (4.0 or later Mac OS X 10.7 and later
7. Packing list: tablet x1, pressure pen x1, manual x1, spare refill x8, pen holder x1, pen cover x1

B026 - 6 Input 2 Output or 2 Input 6 Output Audio Signal Source Selection Switch RCA Port
Product Description:
6-input, 2-out or 2-out stereo audio signal selection switch with RCA port design
The product adopts passive design, direct insertion, and has lossless switched transmission of input and output signals,
The product is mainly used to select and switch between a variety of stereo signal input and output through a common set or multiple sets of equipment, that is, a variety of stereo signal sources of devices, such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, turntable, need to be played on the amplifier or active speakers,
The 6-channel audio signal selection switcher solves complicated plug-ins and plug-ins, which seamlessly connects the device input signal sources to the switcher for easy selection.
The product uses a standard RCA port design for input and output, and uses a precise 6-level and 2-level manual switch design for the switcher,
Product parameters:
Power supply: Passive design, direct insertion
Material: Full metal case
Input and output impedance: 10KΩ - 50KΩ
Frequency response: 20-20 kHz
Distortion: <0.002%
Insertion loss: <0.01 dB
Signal gain: 0dB
Signal to Noise Ratio S/N: >98dB
Input port: Standard RCA port
Output port: Standard RCA port
Number of input channels: 6-channel stereo input (6-channel inverted output)
Number of output channels: 2-channel stereo output (2-channel inverted input)
Control switch: 6-level precise manual selector and 2-level
Input switching channel: 6 channels
Output switching channel: 2 channels
Net weight: 0.26 kg
Gross weight with packaging: 0.37 kg
Product Dimensions: Length 122mm X Width 50mm X Height 38mm
Package dimensions: length 185 mm x width 135 mm x height 65 mm
List of kits:
1 X 6 input 2 output or 2 input 6 output stereo audio signal selector RCA port

B012 - Professional stereo signal converted to balanced microphone signal output
Product Description:
The professional 3.5mm interface stereo signal is converted to XLR interface with balanced microphone signal, the product is equipped with a ground switch to eliminate current hum. The product converts the level signal from audio equipment lines, such as laptops, MP3 players, CD players, mobile phones and tablets, into balanced mixed signal output for microphone of the left and right channels. The product has a level signal volume control adjustment function, 1/8” (3.5mm) TRS male input and 3-pin XLR male output.
Product parameters:
◆ The independent unit converts the audio device level signal input to the balanced microphone signal XLR output
◆ Output with independent level volume adjustment switch
◆ 3.5mm male input and XLR male output, line length: 150M.
◆ The product adopts high-performance transformer to eliminate voltage circuit noise and reduce line noise
◆ Compact metal case, suitable for touring, bringing wonderful sound for your numerous performances
◆ Net weight: 0.23kg
◆ Gross weight with packaging: 0.33 kg
◆ Product Dimensions: Length 102mm x Width 35mm x Height 29mm
◆ Package dimensions: length 185mm x width 135mm x height 65mm
List of kits:
1 X Professional stereo signal converted to balanced microphone signal output

1. These extruder nozzle tip cleaners are powerful tools that any 3D printer owner must have.
2. The tips are made of tungsten steel, hard and thin enough to enter the nozzle and pull out the stuck filament.
3. There are 4 types of drill bits 0.3mm, 0.35mm, 0.4mm and 0.5mm suitable for 0.3mm to 0.5mm nozzles.
4. Please note that the color of the rubber band on the drill cleaner is random.
5. With these precision drill bits, you will surely extend the life of your nozzle while continuing to produce better models.