12V power input, control the positive line to open and close, to achieve 12V output power-on and power-off.   
The input port is connected to the power supply "12v". When it is turned on, the output port is also "12 v".   
Click the remote control "light" button, the controller outputs power (the same voltage),   
Click the remote control "OFF" button and the controller output is powered off.    

Wireless Remote Control Switch 433mhz rf Transmitter Receiver 12v Universal Battery Power Circuit Controller car led Strip Light
Receive controller parameters   
1. Working voltage: DC 9V to 13V (wide voltage universal)   
2. Standby current:: About 7mA   
3. Working current:About 130mA   
4. Maximum load current:  40A relay (MAX 350w)(less than 350 watts of equipment)    
5. Working frequency: 433mhz   
6.Output port voltage = supply voltage of the power supply input port.   
7. Size:3.8in*1.97in*1.25in   
8.Receiver sensitivity: greater than -105dBm   
9.Working temperature: -40 ° C + 80 ° C   
10.model:12V40A

RF Remote transmitter  parameters   
1. Remote distance: Barrier-free 20 meters or more   
2. Working voltage: DC 6V   
3. battery model: CR2016 * 2PCS   
4. Frequency: 433mhz   
5. Working current: about 10 mAh    Package Included:2pcs wireless remote + 12V 40A controller