Low-impedance microwave sensor: The motion sensor ceiling light can effectively resist various interferences such as 5G, WiFi, blue and insect flies, fluttering leaves, etc., which reduces the risk of false triggering of the ceiling light. Adjustable radar motion sensor: The built-in intelligent microwave sensor has a detection angle of 360°. The detection range is 6-8 m. The light delay time can be set to 15s. Constant light mode: In sensor mode, turn on the LED motion sensor ceiling light with the switch off, the ceiling light enters constant light mode. And then turn the ceiling light off and on again with the switch in constant light mode, the light returns to sensor mode. Easy installation: The humanized base design makes it the universal LED ceiling light that fits 99% of junction boxes. Simply slide it onto the mounting rail and start working immediately. You don't need the help of an electrician to install this LED ceiling light. It is also very convenient, the ceiling light can be installed by one person. IP44 Waterproof: The fully sealed design with IP44 waterproof standard protects the LED wet room light from splashes of water and dust and is suitable for wet rooms such as balconies, bathrooms, garages and hallways, dining roomsColor: WhiteMaterial: ABSSize: 30 x 4.5 cmPackage Contents: 1 x Ceiling LightOnly the above package content, other products are not included. Note: Light irradiation or computer display is not available, so I can't guarantee it will be accurate, but I'm not sure.