Wireless Doorbell 30 Ringtones 3 Levels Volumes 150M Remote Control Distance Easy Install for Home Office

Features:
Multi functional, it is not only a doorbell, but can also be called from a hospital or nursing home bed; It can also be used for elderly emergency calls for help.
The doorbell can be placed anywhere convenient for use, and the doorbell can be directly inserted into the USB power supply port, without the need for wiring or damaging the wall.
+17Dbm strong signal, linear and unobstructed remote control distance can reach about 150 meters, easily penetrate multiple concrete walls, and the whole house signal can be easily covered.
Built in 30 cool ringtones to choose from, with three adjustable volume levels to match the needs of different audiences.
The doorbell wireless can be used not only in apartments, home, but also in classroom, etc. The doorbell kit is the best choice for kid bedroom and any other occasions.