Description: -No wiring switch, let you set the switch in the desired position, support wireless control (you need to prepare one 12V27A do switch battery) -East to install, just connect the receiver between the lamp and the power supply, without dragging the wire through the walls (turn off the power before connecting the receiver) - Built-in transmitting antenna for strong signal, it can be controlled at any angle within 50 meters (signals can be obscured by the wall) - Connection modes: fix the terminal post, mark the AC input and output on the housing, Standard is equipped with one do remote control, you can also pair the remote control yourself - Simple operation, flexible fit and any combination, this product adopts 10A relay and is suitable do different lamps and devices Specification: 1-way wall lamp wireless remote control switch ON/OFF receiver Type: one-way/one-way switch Colour white Size: Switches: 81 x 81 x 10 mm; Input Voltage: 100-240V AC RF operating frequency: 433 M. RF woking model: superheterodyne receiver Reception Sensitivity: -107dbm Control distance: 50 meters in open space Remote support type: learning code; improved code Multiple operating modes: yoga, self-locking, lock Package includes: 2 x no/off switch 1 x Receiver