... of secondary convenient, flexible, and its optional wireless transmitter within the Any remote control or launch ... operating current: ≤ 3mA 3, working temperature:-25C-65C 4, receiver sensitivity:-100dBm 5, operating frequency: 315MHZ 6, ... s button will rang ,then LEB will light 4 IT is need to be recognized on the conditon ... ,three lock and one unlock rf 4-key wireless remote control switch for light