This motion sensor can be used to control electrical devices such as LED lights, bulbs, exhaust fans, twilight switch, infrared switch, motion detector, passage detector, recessed spotlight, ceiling light, solar lights, outdoor light, outdoor lamp, wall light, outdoor lamp, twilight, movement, floodlight, outdoor, light, alarm, IR etc. It is very convenient to use and save energy. Allows you to adjust detection distance, ambient light and delay time PIR motion sensor indicator switch that automatically turns on when human activity or heat source motion is detected. When the person leaves, the high-sensitivity sensor motion-sensing light switch will automatically turn off, providing you with a more convenient and greener life experience