AC Wall Switch Module For Rocker Wall Switch. Unique 2 channel wall switch module. Adding extra feature to your existing wired wall switch by installing the module behind the wall switch to control extra load without needing to add another wall switch. Wireless transmission is via 3V CR2032 lithium cell battery. Especially designed to fit into standard wall box.
Compatible to L and M series 2 Channel On / Off / Dimmer control. Control your wired lighting and at the same time other wireless devices. Fits into standard wall box.
Battery: 3V CR2032 Lithium Cell Battery (included) Input Rating: 230V~50Hz Radio Frequency: 433.92MHz Environment Temperature: 0-40 ºC Range: Up to 50 Meter range (Depends on building materials)