72 Lumens On High 34 Lumens On Low1 High-powered LED 187ft On High 131ft On Low 807 Candela On High 404 Candela On Low high and low and flashing Light Modes durable Polycarbonate Construction Ultracompact & Lightweight Overmolded Headplate For Added Comfort Convenient Rubber Strap For Use On User's Helmet & Cloth Strap For Use On User's Head Pivoting 45 Head Approved For Class 1 Division 1 Standards For Hazardous Environments Water-resistant (ipx4) 20-hour Runtime On High 40-hour Runtime On Low Operates On 3 AAA Alkaline Batteries (included) Low-battery Indicator Turns On At 25% yellow