... the electrical system of positive and reverse, or switch off the conversion, as well as control of ... operating current: ≤ 3mA 3, working temperature:-25C-65C 4, receiver sensitivity:-100dBm 5, operating frequency: 315MHZ 6, the ... ‘s button will rang ,then LEB will light 4 IT is need to be recognized on the conditon ... unlock ,three lock and one unlock rf 4-key wireless remote control switch for light