5.5" overall. Tailcap switch. Impact resistant. Clip. Lanyard. White CREE XP-L Hi V3 LED. Up to 1000 lumens. Beam distance - up to 320m. Runtime - up to 520 hours. Candlepower - up to 12450cd. Toughened ultra-clear mineral glass with anti-reflective coating. Side-switch interface with integrated power indicator light and battery voltage. Intelligent memory function stores preferred brightness setting. High-efficiency regulation circuit provides unwavering output. Waterproof: up to 2m (IPX-8). Includes tactical ring, spare tail cap and spare O-ring. Requires 1 18650 battery (not included) , or 2 CR123A batteries (not included). Black nylon belt sheath. Aluminum construction. Color: Black. Hang packaged.