It can use with lamps, incandescent lamps (bulbs), old-fashioned fluorescent lamps, electronic fluorescent ring lamps, spotlights, transformers, small electrical appliances, and other all other appliance Good solution for energy saving and easy in installation. 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