Motion Sensors Boosting your Home Security and light
Light Patrol is an automatic light which turns on and off by detecting motion or temperature of a person. This motion sensor will enhance your home security as well as lightening. Versatility along with functionality makes it excellent.
It saves the energy wastage by turning the light off automatically when it is not required. It makes
your garage lighted as you enter it and automatically light turns off when no one is there. The light switches on by sensing a motion and switches off after a specific time (adjustable).
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Improve your home security with All-Pro solar powered motion sensor broad beamed lights. LEDs give optimum brightness in the dark whenever it detects any motion. However the embedded photocell prevents the LEDs from turning on during day time even when motion is detected. The automatic functionality of the All-Pro solar powered LED motion sensor is convenient to use and energy saving.
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A PIR sensor or Passive Infrared sensor is an automatic sensor that counts infrared light emitting from bodies in the vicinity of its view. PIR motion detector uses such motion sensor.
All bodies having body temperature more than absolute zero temperature naturally emit radiations. These radiations are not visible by human eye because these lay in infrared region of energy spectrum. These infrared rays are detected by specially designed electronic devices known as PIR sensors.
PIR sensors do not emit or detect heat but it detects the infrared radiations emitting from a body.
There are two slots in a PIR sensor made of specific sensitive material which can detect infrared rays. In normal situation both slots detect same intensity of IR. However when a body with a different body temperature passes in-front of the sensor, one half of the sensor generates a positive differential and when the body moves away from the sensing region a negative differential is generated in reverse process. On the basis of these pulses change the body is detected by the detector.
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