LED SopoTek 20 LED Bright Solar Powered Motion Sensor Light Outdoor Garden Patio Path Wall Mount Gutter Fence Light Security Lamp3-In-1 (PIR Motion + Sound Sensor) 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 PIR Motion sensor with 10ft /120 degree detection range, plus sound sensor 20 LEDs, High Brightness, Aluminum Body, Modern and Slim design Great for outdoor use - Patio, Deck, Yard, Garden, Home, Driveway, Stairs, Outside Wall