WIRELESS INTEGRATED DOORBELL KEEPS SOCKETS FREE: This 13A socket has a built in door chime - no need for bulky adaptors, and fits a 25mm back box, ideal for retrofit WITH A 100 METRES WIRELESS RANGE: Making it suitable for large homes and comes with a choice of 6 melodies EASY TO USE AND INSTALL: The double power socket has angled, colour coded terminals with captive screws and has an adjustable volume button from mute to 80dB BATTERY POWERED IP44 RATED PUSH BUTTON: Making it dust and weatherproof and comes supplied with CR2032 battery. Push button connects wirelessly with the door chime, and you can pair multiple sockets to one push button for multiple locations around your home. 1 in a million random code ensures no interference with neighbouring door chimes LED INDICATOR: Provides visual indication of door chime activation, ideal for mute mode, noisy households and the hard of hearing, Weight: 0.4299014109 pounds, Manufacturer: BG Electrical