The company receives the remote control board, suitable for anti-theft alarm, remote control electric doors and Windows, signal control, industrial control, the electric control circuit of lifting equipment and so on. Remote control switch module relay contact output independently, is very suitable for direct control of all kinds of load;Products adopt wireless fixed code technology, omnidirectional, noninterference switch. Remote control switch circuit component materials buyers can contrast. Please note: this mini remote control stability is extremely strong, welcome to order, thank you 220V 10A 1CH wireless remote control system . Working Voltage: AC220V Working Frequency : 315MHz/433MHZ Receiver sensitivity: : -105Db Working temperature : -10#39;C - +80#39;C Output way : Momentary Toggle Latched Adjustable Code type : Learning code Size :35*32*17mm working/output way: Through the sub circuit board behind the pad A, B, C, different local to switch working way 1 jog ,A, B, C,pads non-occupation, not connect 2 self-lock, shorted B, C 3, inter-locking shorted A, B Jog---- press the button is ON . loosen your finger is OFF Self -lock----- press one button for one time is ON . press the same button again is OFF Inter-lock-------press one button is ON , press another button is OFF . Learning Method: Press the learning button3 seconds, the indicator light off . then you press any buttons of the remote control to transmite signal . it means studying successfully when the indicator flash 3 times until the indicator light on. Remove code: press the learning button about 8 seconds , the indicator turn on to off to on , it means the information that you keep have been removed successfully . Note: 433mhz and 315 mhz are available ,315mhz will be sent out if there is no demand on frequency pacote inclued: A: 4 x Receiver(with cover) 1 x Transmitter(with battery) B: 4 x Receiver(with cover) 2 x Transmitter(with battery) C: 4 x Receiver(with cover) 3 x Transmitter(with battery) D: 4x Receiver(with cover) 4 x Transmitter(with battery)