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The sensor works using a iron cored coil with a magnet attached to one end. When a peice of ferrous metal is moved towards the end of the sensor it changes the shape of the magnetic field in the coil, this changing magnetic field then induces current to flow in the windings of the coil resulting in a small amount of electricity being generated. Yuvatech- With best web solutions.
Quick Sense (Qs-09): 180`, Wall-Mount PIR Motion Switch
483 Per piece
Quick Sense (Qs-09): 180`, Wall-Mount PIR Motion Switch with Light Energy Saving Automatic Sensor It can use with lamps, incandescent lamps (bulbs), old-fashioned fluorescent lamps, electronic fluorescent ring lamps, spotlights, transformers, small electrical appliances, and all other appliance A good solution for energy-saving and easy to install. and Delay adjustment: 10 Seconds - 7 Minutes and Adjustable Lux: turn on the lights during the day or night Using the automatic control product of infrared technology, when people walk into the sensor range, and the sensor can detect the spectral change of the human body infrared ray, during this time, the switch will connect the load automatically until the person leaves the sensor range. 2, Through the photosensitive control, it will not turn on the lights in the daytime or light environment, but also can be adjusted in any lighting environment sensing lights Sensitivity Adjustable: Turn on Lights during Day or nights
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PIR Motion detector
295 Per Piece