... and the development and application of secondary convenient, flexible, and its optional wireless transmitter within the Any remote control ... 3mA 3, working temperature:-25C-65C 4, receiver sensitivity:-100dBm 5, operating frequency: 315MHZ 6, ... control system in one control panel: two item lock and two unlock,one lock and three unlock ,three lock and one unlock rf 4-key wireless remote control switch ...