7 5/8" overall. Black HAII military grade aluminum construction. CREE XHP50 LED. Five modes: Turbo - 2150 lumen output - 1 hour, 45 minute runtime; High - 1200 lumen output - 2 hour, 30 minute runtime; Mid - 460 lumen output - 7 hour runtime; Low - 80 lumen output - 32 hour runtime; Ultra-low - 1 lumen output - 810 hour runtime. 462m beam distance. Toughened ultra-clear mineral glass with anti-reflective coating. Waterproof in accordance with IPX-8 (two meters submersible). Impact resistant to 1.5 meters. Tail stand capability. Uses eight AA batteries (not included). Includes black nylon belt sheath, lanyard, and spare O-ring. Boxed with hanging tab.