Know when you have a visitor with this Wireless Waterproof Portable Door Bell Works within a 100 metre range Comes with 1 x chime and 2 x receivers Waterproof design, ideal for being outdoors Requires 2 x AA batteries (not included) Chime works with 1 x 12V23A battery (not included) Material: plastic Power: 220V Power consumption: 2W Hear the chime with this Wireless Waterproof Portable Door Bell for 11.99 pounds