· 【32 Chimes and 5 Adjustable Volume】32 classic ringtones, you can freely choose according to the situation.The volume can be adjusted in 5 levels from 0~85dB, and it can be muted. With LED indicator and memory function: the previously set tune is retained after reinsertion, no need to reset.

· 【High-Performance Doorbell Kit】IP44 dustproof and waterproof button can easily cope with various climates, operating temperature range: -5°C ~55°C).

· 【Easy Installation】It can be used right out of the box. Plug the receiver into the socket, unplug the plastic sheet on the button, and then fix the button to the wall with double-sided tape or screws.

· 【Wide Wireless Coverage and Unlimited Expansion】This wireless doorbell has a range of up to 150 M, which is enough to cover every door in your home or store.