3 white LED headlamp. 300 lumens, 4 hours of operation, range: 55 m, weatherproof, spot and flood light modes. Adjustable brightness. Shockproof up to 1 m. Turns off with the next button press. Adjustable, flexible headband. Tiltable head. Unbreakable lenses. Designed for a 15-year lifespan. Operates on 3 AAA micro batteries, which are included in the package.