Wireless Remote Control Door Bell Wireless Calling Bell

Doorbell is easy to install, with double-side stickers at the back of the remote button. so Wireless Doorbell doesn't affect the decoration
The bell is Remote Control Doorbell Long operating range reach over 50 meters.
Does not require to be attached to electric Points, works on Batteries,You can install the remote buttons in one location. such as front door. Back door. etc
Build in double speakers, make sound clear,especially suitable for homes,offices,factories,hotels etc.