| Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si [Easy to Use ]We have made transmitter and receiver working and test it it,when you it 't need to do anything ,just install it. [Widely Use]This remote switch used in industrial control and security fields, such as light, motor, remote controller, wireless security alarm, windows,lifting equipment, electric doors, wireless door alarm,security industry machine , wireless controller, and other fields [Signal]Wireless RF signal can pass through walls, floors, doors or windows. You can use two or more units in the same place. You can turn on/ off the receiver with transmitter from any place within a distance(Max range is up to 164ft/50m with … | |