TaoTronics TT-HSL003 Wireless Battery- Powered Motion Light are super bright in 6w 300 Lumens, The outdoor spotlight turns on instantly by a built-in photocell activates the motion sensor only after the sun has set. Light sensor prevents light from activating during the day. PIR Sensor Detector turns off automatically after 20 seconds of no motion, conserving battery life to get more than 3,600 activations on one set of batteries. LED MOTION LIGHT can rotated 180 degrees and pivots up or down in order that you can place it whatever you want it. And cover areas up to more than 400 sq.ft. This motion light is easy to install, no wire, no electrician, no hassle needed. Better weatherproof rating and UV resistant to keep it working in the raining or snowing. Durable led bulbs never need replacing. TaoTronics outdoor security lights TT-HSL003 are perfect for lighting up your deck, patio, yard, entrances, driveways, storage spaces, commercial property, doorways, garage, and playground etc. Before to install this led motion light, please test it by putting fresh batteries in and take it into a dark room. Motion Detector should trigger the light on when you walk into the room . Please pay attention if you keep moving, the led light will not shut off and keep lighting. When you leave the room, the light will not shut off instantly, it will last 20 seconds then shut off if no motion.