This Byron DBY-22312UK Wireless Doorbell Set features a plug-in chime unit that can be connected to any standard UK plug socket, allowing you to place your doorbell chime anywhere in your home. It offers a wireless range of up to 150 meters and includes 16 melodies. The doorbell also has a 4-step volume control and an IP44 rated bell push. Dimensions for the doorbell are H x W x D - 100 x 70 x 50 mm, and for the push button are 86 x 36 x 17 mm.