Retro-Reflective Design!

Range Of Up To 22 Feet!

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.

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.
• Includes the following:
• NIR retro-reflective sensor.
• Reflector.
• Speaker.
• 9VDC 200mA output adapter.