Wireless Doorbell, Waterproof Door Bell with 38 Melodies and Led Flash,1000-Foot Range, 4 Level Volume, 2 Remote Buttons & 1 Receiver (Black)

• 2 high-performance buttons & 1 loud chime: pairing two buttons and a chime to set different tones can help you distinguish the front and back door. • Easy to set up: the doorbell wireless, without the hassle of cables. Just plug the mini receiver into a socket, fix the transmitter (including battery) on a wall with the accessories provided. • Long wireless range: wireless doorbell, wireless range up to 1000 ft (300 m) in open space. Penetrates steel doors, exterior walls and interior walls, no new wiring required for implementation. • 38 melodious chimes & widely applied: door chimes with a custom music chip. The stereo speaker delivers rich and crisp sound, 4 adjustable volume from 25db to 85db and a flashing for the elderly and the hearing impaired.