SECRUI Wireless Doorbells for Home, Classrooms, Apartments, Businesses, etc. Easy to Use, Adjustable Volume, 58 Chimes, Colorful LED, Waterproof, 1000Ft Range, M520+F55, Green

This SECRUI wireless doorbell has been paired before it reaches you.

It can be set up in under a minute by simply plugging the receiver into the socket, eliminating the need for wiring or electrician installation.

This wireless remote-control doorbell with high-frequency electronic technology uses the FM signaling protocol, which provides robust anti-interference feature and one-to-one signal pairing.

There's no need to be concerned that the signal will not reach the door next to you.

And in an obstacle-less environment, the detecting distance can reach up to 1000 feet.

The doorbell has been updated with 58 songs, including Merry Christmas ringtone, and 5 adjustable-volume levels.

You can choose from options like two buttons and one receiver, one button and two receivers, two buttons and three receiver set, etc.

as needed.