Tactical Precise Series. 6 1/4" overall. Aerospace-grade aluminum alloy construction with anodized black HAIII mil-spec finish. Body is knurled for a sure grip. CREE XM-L U2 LED. Integrated multi-functional indicator light. Features: integrated Precision Digital Optics Technology; High efficiency circuit board; Integrated dual Picatinny connectors / rails provide a huge variety of mounting options; Innovative single button two-stage switch offers a user-friendly interface; Intelligent charging circuit; Integrated micro USB charging port is water, dust and impact resistant; Intelligent charging circuit with voltage detection; Intelligent memory function; Reverse polarity protection; Stainless steel retaining ring protects the core components from damage; Toughened ultra-clear mineral glass with anti-reflective coating; and tail stand capability. Waterproof in accordance with IPX-8 (Submersible to two meters). Impact resistant to 1.5 meters. Turbo mode with 860 lumen output and 1 hour, 45 minute runtime. Four additional modes plus Strobe and SOS. Extra low - 2 lumen output with 325 hour runtime; low - 50 lumen output with 30 hour runtime; medium - 180 lumen output with 7 hour runtime; high - 550 lumen output with 2 hour runtime. 283m beam distance. Uses one 18650 rechargeable Li-ion battery or one CR123 battery. (Batteries not included.) Includes detachable pocket clip, tactical ring, black cord wrist lanyard, black nylon belt holster, tactical ring, USB cable, spare tail cap and spare O-ring.