KERUI Wireless Doorbell,M521 Smart Waterproof Door Bell System Kit 57 Chimes 4-Level Adjustable Volume 500-Feet Operation Range

The Go-Anywhere Wireless Doorbell Solution
The Jerrybox DT52 Wireless Doorbell Kit is the 21st century answer to how a door bell should work. This device offers superior convenience, versatility, and performance. It can be used for any application: home, business, commercial, nursing and assisted living, and more.

Beautiful Tunes & Nice Sound Quality
Enjoy 48 tunes of chime to choose from, including from the usual "ding-dong" to any one of several familiar melodies that will make your guests smile. Volume can be adjusted to 4 separate settings. Each doorbell is set with a unique radio frequency code at the factory which guarantees your door bell won't interfere with other remote devices.

Ergonomic Design & Water Resistance
We have improved the ergonomics of this product. The wireless transmitter is battery operated (long-life battery included) and mounted outside the door with adhesive tape or the provided screws. The receiver/chime unit plugs into any standard home outlet. That's all it takes! In just seconds, this device is out of the box and ready to go. The wireless transmitter is also specially designed with quality materials for outdoor use (waterproof rating IPX44). You are guaranteed for sturdy, dependable performance.

Long Range & Convenient
There are 2 chime units included. You can install them in different places. The wireless transmission distance is up to 1000ft/300m. You can be sure that, no matter where you are and how big your house is, you won't miss a call.

Amazing Decor for House
The plug-in doorbell kit has a sleek, modern design that fits in with any styles of decoration. The blue LED also flashes when someone is at the door, not just as a notification but eye-catching either!