Easy Chime Design - It's Easy to DIY. You can add additional chimes or bell push buttons in 1byone of the same kind, each receiver can be configured with the same or different tones!
Long-Range - Up to 100 meters (300 feet) range, provides the performance to work virtually anywhere in your home, you'll be sure never to miss a visitor's arrival no matter where you are.
Versatile Feature: 36 CD-quality sound tunes, adjustable volume from 25db to 110db, flash light for the elderly, IP44 rated push button, no interference from any nearby wireless products.
Easy installation: The battery operated chime can be free standing or wall mounted and the other chime can simply plug in your socket, push button can be fixed to the doorframe with screws or the attached adhesive tapes.
Each 1byone door chime is backed by a 12-month warranty. Use it for front, side, or back doors to gain security and peace of mind. We have a series of door chime, you can search our brand to choose your favorite one.