Round night lights with PIR motion sensor: will automatically turn on within 3-5 meters. If no movement is detected, it will automatically turn off after about 20 seconds. It only turns on automatically when it is dark and motion is detected. The lamp has 3 lighting modes: ON / OFF / AUTO. In automatic mode, the sensor will detect the Pleasant warm white light: The soft light No glare, no flicker, 6 high-quality LED beads. Easy to install and use: Two installation methods. 1. Stick directly to any iron surface with the built-in magnet. 2. Attached with 3M adhesive iron sheet, you can place the night lights anywhere you want. No hammer, drill or tools required, easy to install and remove. 8.5*8.5*2.3cm