Solarrific&reg G3038- 16 Led Solar Light with Motion and Light Sensors Powered by solar energy, no battery replacement or electrical wire needed Charge by full direct sunlight during the day, two light modes (dim & bright lights) at night Dim light turns on automatically at night; Bright light turn on from any motion detection within 6 feet Weatherproof solar panel and rust-free, corrosion-resistant housing Very lightweight, only 5 ounces. Can also easily install with waterproof epoxy adhesive or binder clips.