Lloytron MIP System 3 Doorbell Kit featuring a 32 Melody Plug-in Chime Receiver and a Battery Operated Bell Push. This system offers a wireless range of up to 200m and plays 32 high-quality sounds. The receiver is mains powered (B7531WH) and comes in white. The Lloytron MIP3 Wireless Door Bell Kit is easily linked or extended to any existing MIP/2/3 System Door chime system. Utilizing 3rd generation technology, the MIP System 3 allows for different melodies to be assigned to different bell pushes and transmitters with a simple switch. It is ideal for various locations including homes, gardens, sheds, warehouses, restaurants, hotels, and offices. Additional accessories such as extra bell pushes, chimes, signal boosters, and motion sensors are available separately. Key features include a 200M range (unobstructed), a choice of 32 melodies, variable volume control, a current melody playback function, and a flashing strobe light indicator. Up to 16 different accessories (bell push, receiver, magnetic sensor, PIR motion sensor, etc.) can be purchased and linked to create a personalized alert system for your home or business. The chime unit measures 9.5cm x 5.5cm and plugs into any standard UK wall socket. It requires one 12-volt battery (Type MN21, A23, or LR0).