Visitor Arrival/Departure Chime, Battery Operated, White

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.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 three AA batteries and one 9V battery (not included).