A motion sensor light glows automatically when motion is detected. So it is the best choice for security lighting. The types of Motion sensors used are PIR Sensor and Microwave Radar Sensor depending the model.It is designed to light up when any motion is detected. If someone comes near the light will automatically glow and scare away the intruder.
PIR sensor detects motion within a distance of 6-8 meters and covers an angle up to 180 degrees. It is temperature dependent and works best at a temperature of 24 degree Celsius or less.
Microwave Radar Sensor detects motion within a distance of 8-10 meters and covers an angle of 360 degrees and NOT temperature dependent.
Most of the lights have a time delay of 20-30 seconds. The time delay can be manually adjusted for models ML-109 and ML-110 (from 8 seconds to 2 minutes).
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