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Wireless door chimes are versatile and installation free, but the receivers can drain batteries incredibly fast. This one has a mains powered receiver that plugs into any convenient 13 amp socket, so it doesnt need batteries. It also has a built in socket, so you dont lose a useful plug point. The wireless bell push comes supplied with fixings and a long life 3V CR2032 battery which will work for around 20,000 uses. It transmits a radio signal to the indoor plug in receiver, which can be positioned up to 390'120m away and offers a choice of 8 different chimes and melodies.
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