LightwaveRF WHITE Plug-In Wireless Door Chime Unit
LightwaveRF Wire 240V Door Chime Unit. This plug-in wireless door chime links to any LightwaveRF receiver to alert you someone is at the door. There are up to 8 melodies to choose from and an operating distance of up to 150m. For example, linked to a LightwaveRF dimmer, the lights would flash.