The 18 LED Dual Solar Security Light uses high intensity LEDs to provide vivid illumination at distances up to 20 feet and is activated by motion. This security light is engineered to be both water and weather resistant. In addition, the 18 LED Dual Solar Security Light has a built in dawn/dusk sensor that acts as an auto on/off feature and variable settings for both illumination duration and motion detection range. Set up is neat and easy. The 18 LED Dual Solar Security Light is easily mounted with the included wall brackets and there is no need for wires or connections to wall outlets. Satisfaction is 100% guaranteed or you get your money back.