The Doorway Beam Sensor is designed to sound a user selectable chime or alarm when someone walks through the invisible beam of infrared light. A focused infrared (IR) light beam is projected from an emitter and bounced off of a reflector which is placed at the other side of the detection area. A sensor built into the emitter detects when the infrared beam is broken by the passing of a person or the presence of an object in the path of the infrared beam. A separate speaker annunciator (included) can be set to chime or alarm to alert you that a security breech has occurred or that an object has entered or passed through the infrared beam.
Possible uses include:
This alarm system is pre-assembled and ready to use.
Telephone support during office hours, and email support quite often out of hours too!
All products are covered by our 30 day money back guarantee. If you're not happy, return the goods to us in the condition you received them for a full refund.
Not in a hurry? Our super saver delivery option gives you free delivery within 5 - 7 days (although many customers receive their items much quicker!)