Visitor Arrival/Departure Chime, Light-Reactive Sensor, Battery Operated, Gray

Pleasant “ding-dong” sound alerts employees when visitors enter or exit. High/low/off adjustable volume control. Light-reactive sensor has sensing distance up to 15 ft. Wall mountable with angle-adjustable mounting bracket (included). Can be used with door open or closed. Operates on four AA batteries (not included). Power Source(s): 4 AA Batteries; Sound Features: Adjustable Volume; Ding-Dong; Light-Reactive Sensor; Depth: 2 in; Height: 4 1/4 in.