Wireless Wall Light Switch 2 Gangs On /Off 2 Sets : - turn on the wiring function, let to turn on the function, wireless operation (prepare one degree 12V27A for the switch) - East to power cord, simply wiring the receiver between lamp and power, no power cord through the wire (ask power before wiring the receiver) - Built-in transmitting antenna for strong signal, can be controlled for verification within 50 meters (signals can become hindered by the device) - Connection modes: Clamp repair, select AC input and output to module, standard is equipped with one-to-one, you can also pair yourSLF - operation, type and any temperature, ten products of 10A relay operation and suitable for various lamps and devices Specification: 2-Way Wall Light Wireless ON/OFF Switch and Receiver Type: one-way/two-way switch white Size: switch: 85 x 35 x 20mm; Output voltage: 100 - 240 V AC RF Operating Frequency: 433m RF Woking Model: Super-Heterodyne Receiver Receiving power: -107dbm Control distance: 50 meters in open space Type of remote support: Learning code; Fixed code Multiple preset modes: JOG, Self-Lock, Block contains: 2 x 2-way remote relay 4 X Receiver