LED SopoTek 16 LEDs 2nd Generation Solar LED Light (1000mAh Battery), PIR Motion Sensor, 10ft Detection Range With Dusk to Dawn Dark Sensing Auto On/Off Function(Weatherproof, no batteries required) Activates bright light: It infraed sensors detect subtle temperature changes caused by movement of people within the selected area of protection, it will light on when someone or something enters its 1-2 meters range within a 120 degree sensing angle. When the motion stops, the lights stay on BRIGHT MODE for approx 30 seconds, then returns to DIM MODE 2nd Generation No need of batteries, no wire or cables installation, easy to fix on the wall Bright 16 LED solar outdoor light, weatherproof products with modern, stylish and simple design, the solar panel life span is 5 years and LED lasts 50,000 hours 16 LEDs, High Brightness, Aluminum Body, Modern and Slim design Great for outdoor use - Patio, Deck, Yard, Garden, Home, Driveway, Stairs, Outside Wall