Features:The radar sensor uses millimetre waves technology. Millimetre waves technology to detect even small changes in moving for maximum accuracy.Smart detection sensor: the light turns on when the radar detection sensor detects the exists of a person, and turns off when it detects no one.Body sensors : Our smart detection sensors can accurately detect human exists, body movement and motion, alerting you with an alarm for added safety, or work with a switch to automatically control the light.Wide application : Can be widely used in lighting, , home, home appliances, hotels, garages, etc.Easy to install: No additional installation tools are required, just follow the instructions to install the device, simple and convenient.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size: 10.5*9.6*4.8cm