1、The rate of wrong action is low, the sensor is sensitive, and it can accurately distinguish the movement of living and non-living bodies. 2、Less affected by the natural environment, using 5.8GHz operating frequency, strong anti‑interference, stable and reliable performance. 3、Automatically turn on the lights after sensing people, and turn off the lights when people go, safe and energy‑saving. 4、Can automatically identify the strength of the ambient light, and the light will be on when the lighting requirements are set and there are people, otherwise it will not be on. 5、Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Item Type: Microwave Sensor Switches Product Material: PVC Induction Principle: Microwave radar induction Product Model: TDL-1911 Working Voltage: AC85-250V Standby Power Consumption: 0.07W Transmitting Power: <10mA Working Frequency: 5.8GHz Induction Distance: Approx. 2 ~ 16meter / 6.6 ~ 52.5ft (adjustable) Working Delay: 10 seconds to 30 minutes adjustable Light Control Illuminance: 10-500LUX adjustable Load Power: 800W (resistive load) 200W (capacitive load) Size: Approx. 24mm / 0.9in 39mm / 1.5in 40mm / 1.6in 75mm / 3in 1 x Sensor Switches 1 Package Accessories(4 Parts) 1 x User Manual