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Motion Sensor Stainless Steel Pole Solar Light |
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Motion Sensor Stainless Steel Pole Solar Light
Motion Sensor Stainless Steel Pole Solar Light has following features
A Passive Infra-Red (PIR) sensor is an electronic device commonly used in security lighting, and burglar alarm systems. A PIR sensor is a motion detector which detects the heat (infrared) emitted naturally by humans and animals. When a person in the field of vision of the sensor moves, the sensor detects a sudden change in infrared energy and the sensor is triggered (activated).
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