This is a Cool Wireless Radio Remote Control Door Bell.
Simple, vivid and no-wire installation design avoid troubles No indoor decorative environment effect
Radio remote control and up to 30 meters in open air, this Remote Control Door Bell suitable for home and high floor houses This Wireless Door Bell built-in anti-interference design, avoid the interference between users
This Radio Door Bell preprogrammed 16 songs and manual songs changing
Door Bell powered by 2 AAA batteries (not included)
