LightwaveRF WHITE Wireless Portable Door Chime Unit
LightwaveRF Wire Free Portable Door Chime Unit This battery operated portable 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.
Supplied with 2 x AA batteries and Bell Push Button