33 Lumens On High 17 Lumens On Low1 High-powered LED 35m Beam Distance On High 25m Beam Distance On Low 309 Candela On High 155 Candela On Low high and low and flashing Light Modes 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% black