The radio frequency remote control adopts radio frequency technology, the working frequency is 433MHz, and the signal is stable.The power supply voltage DC8-15v is universal, input 12V power supply, output 12V power supply.The remote control distance of the wireless radio frequency switch is about 20 meters, and it can be used through the wall.Application: Suitable for various electrical control circuits such as remote control electric doors and windows, signal control, industrial control, lifting equipment, 12V battery, power switch of low-voltage DC power supply, DC LED lighting and low-voltage .Operating frequency 433MHzSupply voltage: DC8-15VWorking voltage: 12VStandby current: 7mAWorking current: 130mALoad: 40A 350WColour:white + blackMaterial:Plastic + MetalSize: 8.1 x 5 x 3.2cmPackage Contents:1 x Remote Control Switch2 x Remote ControlOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.nn