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> Beam entrance alert chime system
Beam entrance alert chime system
It can be used as a motion sensor device and also as an entrance alert chime unit. A lot of people also use it as a sensor for garage doors. At the same time, you can also set a blaring alarm tune to monitor a door. It has an operatable range of 22 feet.
* Safety sensor for garage doors
* Overhead doors security sensor
* Entry detection for store front
* Other applications: offices, schools, warehouse, vehicle detection, etc.
* 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.
* All components plug into each other. No hard wiring required.
* NIR retro-reflective sensor.
* 9VDC 200mA output adapter.
