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% yellow