Dual beam infrared detector by www.detectalarms.co.uk

in dtube •  7 years ago 

This is a dual beam detector from www.detectalarms.co.uk that can be used with intruder alarms to detect intruders BEFORE they break in. Place them around the perimeter of a garden or yard for complete protection.

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dtube www.detectalarms.co.uk infrared beams intruder
7 years ago by

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