Features and specifications: 
1) Operating voltage: DC 5V, double, 12V, single 
2) Working current: 200mA x 3 
3) Receiving frequency: 315MHz 
4) Remote control range: 30 - 80m 
5) Input voltage of the host: AC 220V 50Hz 
6) Transmission rate: 315MHz 
7) Remote controller transmission distance: 30m-80m 
8) Remote controller battery: 12V 23A 
9) Switcher input: AC 220V, 50Hz 
10) 1ch-4ch button switch automatically, select the corresponding button to monitor
the channel 

11) Better transmission when using antenna
12) Adjustable speed

Features and specifications: 
1) Operating voltage: DC 5V, double; 12V, single 
2) Working current: 200mA x 3 
3) Receiving frequency: 315MHz 
4) Remote control range: 30 - 80m 
5) Input voltage of the host: AC 220V 50Hz 
6) Transmission rate: 315MHz 
7) Remote controller transmission distance: 30m-80m 
8) Remote control battery: 12V 23A 
9) Switcher input: AC 220V, 50Hz 
10) 1ch-6ch button switch automatically, select the corresponding button to monitor
the channel 

11) Better transmission when using antenna
12) Adjustable speed