Motion Sensor Light: Our LED ceiling light adopts advanced PIR infrared motion detector and dusk to dawn sensor, IC and SMD technology, which can instantly turn on when it detects motion up to 8M(26ft) away under dark ambient with a 30 sec. delay after a period of inactivity. Energy Saving: 15W LED ceiling light is equivalent to the traditional 120W incandescent bulb, and the extremely long service life can reach up to 25,000 hours, which enable to help you effectively save more than 80% of electricity costs. High Quality: LED Panel Ceiling lamp adopt high quality 2835 led SMD chips, which provide with 1200Lm brilliant cold light, much brighter than most of other ceiling lights in this size. Made of PVC and Acrylic board, its durable and reliable for a long term use. Wide Application: Provide with a uniform and glare-free light without flicker, protecting your eyes from glare lighting. Ideal for hallways, bedrooms, offices, stairways, and much more commercial or residential, you can install this led ceiling lights where the place you need more light.