This aluminum body flashlight is designed with a head-mounted switch and a tail switch for maximum flexibility. Use it on high for a bright beam with a 322 meter beam distance, or switch it to low for a 10 hour run time to last throughout your shift. Both a tail cap and a head-mounted switch. Switches operate independently. Three Modes and Strobe:- High for a Super-Bright Beam: 425 lumens; 322 meter beam; runs 3 hours; 26,000 candela- Medium for Bright Light and Longer Run Times: 200 lumens; 219 meter beam; runs 5.5 hours; 12,000 candela- Low for Light Without Glare and Extended Run Times: 100 lumens; 155 meter beam; runs 10 hours; 6,000 candela- Strobe: runs 7.5 hours Durable aluminum body with non-slip rubberized comfort grip IPX4 water-resistant; 1 meter impact resistance tested Rechargeable NiMH battery Steady charge, smart charge, or PiggyBack® charger options Anti-roll rubber ring included Unbreakable polycarbonate lens with scratch-resistant coating Length: 8.85 " (22.48 cm); Weight: 12.8 oz (364 grams) Serialized for positive identification Limited lifetime warranty