Hi-R VCS01 (Visitor Chime-Automatically with "Ding dong" or "Music Melody")

Visitor Chime with Motion Sensor built-in power by adoptor battery    
Automatically with "Ding dong" or "Music Melody"
>The Visitor Chime is a light sensitive , motion activated entry chime suitable for office and retail locations to announce the entrance of visitor.
>Sensing distance up to 4-5 meters (normal light conditions required) it is recommended to be placed with light source in front of the unit.
>It may be mounted on wall or ceiling using the  enclosed wall mount plate or mounting bracket. The mounting bracket can be adjusted 120 degrees for optional detection direction.
>Requires 3AA batteries 0r 6v DC regulated adaptor 300mA(not included).