High Bright & 90% Energy Saving - LIGHTNUM motion sensor LED ceiling light with 1500 luminous flux to light up every corner with ease. 15 Watt output makes it an ideal replacement for a ...

That’s it. Microwave-based motion sensor board on top, controller board for LED ceiling light underneath. The power adapter is straightforward in that it accepts 100-240 Volts AC and turns it ...

This passive method is not as reliable as "active" motion sensors that either bounce back a radar signal or transmit light to a photodetector in the distance. See network camera. THIS DEFINITION ...