CREE XP-L HI LED (Cool White) Circuit - C3300 Extreme3: Synchronous buck w/ efficiency of up to 95%, Non-dimming constant current regulation for all output levels without flicking, Low dropout voltage, enable circuit to current regulate even with a single 18650 for most of the runtime at turbo output, Turbo boost technology. Max output 1180 Lumens Regular and tac mode operations plus 7 auxiliary outputs Upgradable LED and driver drop-in module User replaceable glass lens Body Color: Black (HAIII) Rubber cigar grip (replaceable with grip cover) Battery reverse polarity protection User removable pocket clip Tail stand ability with included tail stand boot Waterproof IPX-8 standard HAIII hard anodization aerospace aluminum C3300 Extreme3 circuit synchronous buck w/ efficiency of up to 95% Smooth aluminum reflector Battery Type 2xCR123A, 2xRCR123A, or 1x18650 4xCR123A, or 2x18650 (with extension) Compatible battery diameter/length 123A: (16-16.8mm/34-34.5mm) 18650: (18-18.8mm/67-68.5mm) Dimensions Head Dia. 1.3 inches (33 mm) Body Dia. 1.0 inch (25.4 mm) Length 5.7 inches (146 mm) Weight 4.6 ounces (130 grams) What's Included Stainless steel bezel (removable) Spare O-rings Titanium coated Stainless steel pocket clip User manual Tail-stand rubber boot Soft cigar holding grip Cigar grip cover ring Lanyard ring attachment ring Heavy Duty Nylon Holster w/ self-retention device and flip Mil-Spec Paracord Lanyard w/ quick attachment clip