This high power Kaufmann headlight uses a CREE LED and has an adjustable focus spot, offering excellent optical clarity and a bright, evenly lit beam. Beam distance: 150-200m. The adjustable straps provide a secure and comfortable fit, while being able to tilt the light up or down 180 deg. Lighting: Bright/Dim/Strobe. Operates off 3AAA Batteries. Run time on Max brightness: 6 hours / Min brightness : 10 hours. Water resistant. Hands free lighting, great for outdoor recreations, hiking, camping, riding, fishing, hunting etc.