SECRUI Wireless Doorbell, Easy installation, Waterproof, Adjustable Volume, 58 Chimes, Colorful LED, 1000Ft Range, M520+F55, Black

[Work Out of Box] This wireless doorbells for home has been paired before delivery. There is not any need for wiring or electrician installation when the use of it since its installation may also be completed within 1 minutes: plug the receiver into the socket, ready to go.
[Long Range] This high-frequency electronic technology wireless remote keep watch over doorbell adopts the FM signal scheme, which has strong anti-interference features and one-to-one signal pairing. No wish to worry about signal connecting wrongly with the next door. And the sensing distance can reach up to 1000Ft in obstacle-free environment.
[Lead A Convenient Life]The doorbell has been up to date with 58 songs (including merry christmas ringtone) and 5 levels of volume that may be adjusted. You’ll be able to be add as required, choose 2 button with 1 receiver or 1 button with 2 receivers or 2 buttons with 3 receiver sets, and so forth.
[Weather Resistance & Energy-saying] The door bell is made of high-quality ABS material, showing high performance in fire and flame resistance. working temperature:-4 °F -140 °F. IP55 dust proof and waterproof protection. The receiver adopts an optimized circuit design. The transmitter does not consume power without being pressed. Battery life:3 years.
[Exquisite Appearance & High Quality] The door bell ringer demonstrates subtle and novel industrial aesthetics and fashionable design. We have industry-leading automation equipment, high-precision placement. We strictly keep watch over the product quality. In case of malfunctions, please contact us as soon as imaginable for resolutions.