Wireless Doorbell EU Plug Self-Powered Outdoor Waterproof Door Bell
1.32 Songs Home Welcome Door Chimes 2.150M Long Wireless Control Distance 3.Waterproof Door Bell 4.Four leverls of volume 5.Self-Power,No battery required
Strong Signal
It can penetrate 3-4 walls and wireless range up to 150 meters in open area,great for large house including willas, apartment,offices,shops,warehouses.etc.
IP68 Waterproof level
Rainy days can also be used,saed and durable
38 Songs Home Welcome Door Chimes
The doorbell can be muted when sleeping
Not only a doorbell but also a pager
When the elderly,babies,and pregnant women sleeping alone have needs,press the transmitter and the bell will ring.