For professional users that demand performance, this is the perfect hand-held light. This light package contains a light head, 18650 handheld body and tail cap, and color-matched Thrym LPC, a single Modlite 18650 battery and XTAR MC2 charger. Multi-mode features two selectable modes, including "high" and "high/admin", easily programmable by the user. Admin mode is 15% of high output. FeaturesMulti-ModeDual Fuel 18650 or 2x Lithium CR123s. 1500 Lumens 60,000 CandelaIncludes Thyrm LPCCool White 5700K emitter tintMade and assembled in the USADrivers are fully potted and tested to withstand select fire SCAR 17 recoil.Lifetime guarantee6061 Series Alum bezel with Mil-Spec Hard Anodizing.Ultra clear BOROFLOAT lens allows 98-99% light transmittance. SpecificationsRuntimes: ~75 minutes (high mode), ~ 10.6 hours (admin mode) while using rechargeable 18650sLength with tail cap: 5.25"Head Diameter: 1.187"Weight: 5.9oz (with battery), 4.2oz (without battery)Width/Diameter: 1" (no head)