High, medium, low, and strobe modes: High: 2,000 lumens; 315m beam; runs 2 hours Medium: 850 lumens; 200m beam; runs 4 hours Low: 100 lumens; 70m beam; runs 24 hours Strobe for disorienting or signaling: runs 3.25 hours Intuitive mode switch for easy selection of high, medium, or low "Set and forget it" - no need to cycle through the settings to get to the desired mode Features independently functioning head and tail switches Uses two (2) SL-B26® protected Li-Ion USB rechargeable battery packs Charge with existing Stinger® chargers, USB cord, or SL-B26 bank charger Aluminum alloy body with ergonomic, anti-roll body design and textured grip Corrosion-resistant, gasket-sealed BOROFLOAT® glass lens IPX7 waterproof; 2m impact resistance tested 7.67 in (19.48 cm); 12.3 oz (350 g) TAA Compliant Limited lifetime warranty. Includes AC/DC chargers and charging base