Even better than a doorbell, an entrance alert chime automatically monitors entrances with sensors that trigger a pleasing chime when a person walks past. This can help eliminate theft and improve your customer service. Some models can be used as alarms for night time security.
Beam Alert
Retro-Reflective Design!
Range Of Up To 22 Feet!
Applications & Features:
Safety sensor for garage doors
Overhead doors security sensor
Entry detection for store front
Other applications: offices, schools, warehouse, vehicle detection, etc.
Retro-reflective design.
Range: Up to 22 feet (7m)
Perfect for monitoring an entrance or use as an entrance indicator.
Will make "ding-dong?sound or siren sound when the beam is interrupted.
Speaker volume can be adjusted or turned off.
When in siren mode, sounding time is adjustable from 3 to 30 seconds.
9VDC adapter included.
All components plug into each other. No hard wiring required.