Specifications:  Model Name: MPPT-30A, MPPT-40A, MPPT-50A, MPPT-60A.  Charging mode: MPPT Maximum power poin tracking automatically.  Charging: 3-stage:constant current(MPPT), constant voltage(Absorption Voltage), floating charge.  System type: DC12V/24V/36V/48V Recognition automatically.  System voltage automatic recognition: 12V system (DC9V-DC15V).  24V system (DC18V-DC29V).  36V system (DC30V-DC39V).  48V system (DC40V~DC60V).  Soft...

Driver board: The fourth-generation driver board instead of 7318IC drive plate, improved the two disadvantages of 7318 driver: 1. Small pointer swing. 2. Small adjust sensitivity. Instructions for use: 1. Input AC / DC 12V is the power supply for the drive board. (It...

Description: The receiver take RTL2832U + R820T programs , taking advantage of the Q channel RTL2832U on adding support for frequencies of 100KHz-24MHz , realized the reception 100KHz-1.7GHz. You can use the SDR software receives electromagnetic waves 100KHz-1.7GHz support AM, FM (NFM, WFM), CW,...

NOTE: In fact, the Bluetooth module has been revised: the Bluetooth module has been integrated. The Bluetooth module cannot be seen outside, but the Bluetooth function is normal. Software Download Way: IOS APP: search E_test on to download. Android APP: search E-test at Google...

Product Highlights:  1.With soft-start function, the output voltage increases slowly and there is no inrush current, which can effectively extend the life of the fan motor or LED tube.  2.The NC voltage regulation is convenient, quick and more accurate.  3, can be set to...

Specification:  Operating Voltage: 8.0V, 24.0V, 80.0V.  Working-power consumption: 6.0mA, 8.0mA.  Standby-power consumption: 0.3mA,0.5 mA.  Sleep power consumption: 30uA, 50uA.  Voltage acquisition accuracy: 1.0%, 2.0%.   Current acquisition accuracy: 0.5%, 2.0%.  Backlight on current: 40.0mA, 50.0mA.  Backlight off current: 30.0mA, 40.0mA.  Default capacity value: 0.1Ah, 600.0Ah. ...

Features: RTL.SDR 100KHz-1.7GHz Receiver: -Color: Silver/Champagne shell. -Material: ABS+PMMA. -Can set automatic search scan. -The analog subtone and digital subtone can be cracked by software. -The ID of common digital walkie-talkies can be cracked by software and the voice signal can be demodulated. -The...

Specifications:  Temperature coefficient: 25PPM/°.  Display Color:Red/Blue/Yellow/Green.  Type: 5 digits 0.36″ LED.  Range: DC 0-33.000 V.  Accuracy: 0.3‰(±2 digit).  Operating Temperature: -10°~65°.  Supply Voltage: 3.5-30V.  Red Wiring: Power Supply + (3.5-30V).  Black Wiring: Power Supply -,  Measure - Yellow Wiring: Measure + (0-33.000V).  Size: 47mm...

Feature:  Test equipment: Agilent DSA815 spectrum analyzer (9KHz-1.5GHz); power supply: 12V1A;  The power interface, single-pin and non-pin, are shipped randomly, and the function is the same as that of the DC port, which does not affect the use.     Noise source:  Power supply: DC12V/0.3A-1A. ...

Features:  Wireless guitar system features digital wireless technology that delivers great audio quality, simple setup, and is extremely reliable for any musicians.  UHF original sound transmission, anti-interference and ultra-short delay, giving you the best music sound.  This wireless guitar system is a perfect for...

Description:  K-180WLA is upgraded again . The 10-meter long feeder is upgraded to LMR100 96 braided pure copper dense mesh plus aluminum platinum double-shielded feeder (the highest specification of this type of feeder), which has better shielding effect and lower loss. The 10-meter feeder...

Specification:  1) Operating frequency: 1420, 50MHz.  2) Insertion loss: 1.8db.  3) Out-of-band suppression: 40dB@50MHz.  4) Input impedance: 50 ohm.  5) Output impedance: 50 ohms.  6) Maximum input signal strength: 13dbm (20mw).  7) Input interface: SMA-K (SMA female).  8) Output interface: SMA-K (SMA female).  9)...

Feature:  Product Name: New style round free sticker remote control.  Working voltage: 6V (two CR2016 button batteries).  Working frequency: 433MHz.  Encoding format learning code (EV1527 or compatible chip): remote control distance.  50 meters (open without interference, depending on the specific environment).  Product size: diameter...

Principle:  The QRM canceller is inserted into the feeder of the antenna from thetrx without any other modifications to the radio. The box has a built-in PTT control to keep the canceller connected during transmission. However, an additional auxiliary receiving antenna is required, such...

4PCS Octagon Rubber Arm Car Lift Tray Pad Accessories for Car Truck Substantial Rubber Mat.     Technical Specifications:  Color: Black;  Material: Rubber;  Shape: Octagon;  Dimensions:  Thickness: 10mm(3/8");  Length: 135mm(5.3");  Hole Distance: 95mm/3.7".     Features and Benefits:  These have a textured top to prevent slipping...

Specification:  Material: Plastic.  Color: Black.     Features:  - For containing 1pc 1.5V D size battery.  - Red and black binding posts for quick and simple connections without the use of tools.     Package Included:  1 x D Size Single Battery Holder

Feature:  1. Have complete operating protection function.  2. Highly efficient, low ripple, small volume, light weight.  3. Double display voltage, current, and high precision.  4. Voltage stabilization, current limiting, simple operation.  5. Dual voltage input and convenient choice.  6. Temperature control fan heat dissipation,...

Description: This hand crank generator model is used as a primary school experimental power supply.   Specification: Output voltage: 6.3V. Output current: 0.2A. Material: Acrylic + ABS. Color: Clear. Size: 130mm*105mm.   Features: 1. The rotation of the generator shaft drives the lamp shaft to illuminate the lamp and use it as a power source. 2....

Features:  1. Telescope meets all the needs of beginners, and the kids' astronomical journey begins from here.  2. Equipped with two eyepieces, H20mm and H6mm, Whether it's watching stars and moons at night or observing planets, telescope is the best helper for kids &...

Features:  - 3 Kinds of Magnifying Lens: The 3X helping hand magnifier is ideal for soldering, building models, electronic repair, DIY projects, jewelry, hobbies and crafts. While the 4.5X auxiliary spot lens and the 25X auxiliary lens add extra zoom when you need to...