*Applications:

- Safety sensor for garage doors.

- Overhead doors security sensor.

- Entry detection for store front.

- Offices, schools, warehouse, vehicle detection, etc.

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*Retro-reflective design.

*Will make "ding-dong" sound or siren sound when the beam is interrupted.

*All components plug into each other. No hard wiring required.

*Includes NIR retro-reflective sensor, reflector, speaker, 9VDC 200mA power adapter, and 6ft cable.

*Optional counter available.