Solar LED Light[2nd Generation],16 Bright LED Wireless Solar Powered Motion Sensor Light(Weatherproof,no batteries required),Eco-friendly.(4 Pack) Bright 16 LED solar outdoor light, weatherproof products. 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 BRIGHT MODE 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. No need of batteries, no wire or cables installation, easy to fix on the wall With modern, stylish and simple design, the solar panel life span is 5 years and LED lasts 50,000 hours Easy to install-No wiring required.Please use the supplied expansion pillar-hinge and screws to mount the device on pole or wall anywhere outside you want for lighting,like Yard,Garden,Home,Driveway,Stairs,etc.