be much more sensitive to dark place or nights. After installing the batteries, if the light does not turn on immediately, try cycling through the batteries. Motion Sensing and Power Saving - Light only turns on in darkness in response to nearby motion. In the absence of motion, the sensors will turn off the light after 15 seconds to save energy and ensure longer battery life Durable and Versatile - LEDs last up to 50 000 hours. It's perfect for brightening up and bright enough to keep seniors' and children's bedrooms, restrooms, hallways, and stairways safe Easy to install and use - 3M adhesive tape and the magnetic bracket allow easy mounting Powered by 3 AA batteries (not included in the package), without wiring, safer to use Can be optimally used as additional lighting in several areas (example: garage, attic, porch, hallway, basement, stairs, office, bedroom, children's room, etc.)