Self-powered wireless doorbell for home use, no batteries required, waterproof, suitable for home classrooms and businesses - White (US standard)

No batteries required: After pressing the button, it will generate electricity by itself and send a stable signal to the receiver, no longer worry about frequent battery replacement, no longer worry about when the battery runs out.

No threads, no distance: It has strong anti-interference characteristics. No need to worry about the poor signal connection next door. The detection range of the wireless doorbell is 100 feet indoors, and the detection distance can reach 450 feet in an obstacle-free environment.

Easy to install: No wiring or electrician installation is required when using it, just plug the receiver into the socket and it can be used. The wireless doorbell is a small box that can be plugged into any power outlet. The doorbell comes with screws and heavy-duty adhesives, giving you a variety of installation options.

Loud enough wireless doorbell: This doorbell receiver has 4 levels (including mute) adjustable volume ranging from 0 to 80 dB, the volume is very loud and can be heard throughout the house, including people with hearing impairments. Make sure you don't miss any visitor, even if you are only a few rooms away or on another floor.

The wireless doorbell has 38 ringtones to choose from, you can change the ringtones according to holidays or any time you are interested in.

Weatherproof and Waterproof: IP68 dust and water resistant rating;

The operating temperature range is -4.0°F to +140.0°F, which can withstand various harsh cold weather conditions.

Package Contents: Doorbell Kit