FeaturesPower socket with built-in wireless door chimeReplace any standard socket - keeps sockets free100m (open air) wireless rangeAdjustable volume up to 80dB6 melodies and mute LED visual optionThe British General Nexus Double Switched 13A Power Socket with Door Chime is an innovative power socket with built-in wireless door chime that can replace any standard socket. A neat solution with no loss of valuable power sockets.Integrated door chime keeps sockets free. 100m (open air) wireless range - suitable for large homes. Adjustable volume up to 80dB - volume button for easy adjustment and mute LED visual option. 6 melodies - a choice of 4 x \'Ding Dong\' and 2 x \'Westminster\'. Random generated one in a million pairing code for no interference. Battery powered IP44 rated push button supplied with CR2032 battery. White moulded round edge, sleek and slim with softly rounded edges.