When a person moves into the beam of light the sensor is alerted by the body heat given off by the individual.
Adt laser beam security.
The laser itself is powered on a constant basis by the ac plug in adapter but the actual photo cell receiver box is powered by a 9 volt battery.
An infrared motion detector works by using beams of infrared light to detect changes in heat.
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The basic sensing component of a modern laser security system is an infrared motion detector.
Adt home security systems are backed by more than 140 years of experience.
Any laser may damage at very short range finally at close range 5 10 even small 5 mw laser pointers using aaa batteries e g the ones used to play with pets were able to damage sensors.
This is why we have ensured a hands on and immediate response service to assist you with any incident related queries around the clock.
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The cornerstone of all security starts at home.