With anover-the-head strap, the H14 headlamp’s single LED is extra-stable when you’re moving around, and can be focused and swiveled, putting the light right where you need it. Smart Light Technology™ with diverse settings for individual light programs runs eight different functions operated from a single switch. Near to far focusing options with the Advanced Focus System are possible because of a patented combination of a reflector and lens to create a light system that provides both a focused beam for long-distance needs and a spill beam for up-close reading. An included universal fastener makes for a wide range of applications and fastening possibilities. Puts out 30 lumens for up to 20 hours on low power; 210 lumens for up to two hours on high power. Takes four AA alkaline batteries (included). Weight: 12.28 oz.