Visitor Arrival/Departure Chime, Battery Operated, 2.75 X 2 X 4.25, Gray Crayola Tracking Method: Optical sensor

Tracking Method: Optical sensor

making it ideal for presentation materials

XL Standard Filtration

plus a Launchpad hot key

LED Indicator Lights: Shows battery and refill status

Visitor Arrival/Departure Chime, Battery Operated, 2.75 X 2 X 4.25, Gray Crayola Tracking Method: Optical sensorVisitor Arrival Departure Chime, Battery Operated, 2. 75 X 2 X 4. 25, 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). AS UNIT 5 SHELF 1 SEC 2 PB