5 5/8″ overall. Black anodized aluminum housing with removeable black stainless pocket clip. C4 LED (white). Three modes: high – 80 lumens/runtime up to 1.5h/beam distance up to 262ft, low – 10 lumens/runtime up to 30h/beam distance up to 91ft and strobe – runtime up to 5h. Momentary on or constant on/off tailcap switch. Power regulated. Anti-roll design. IPX7 rated – waterproof up to 1m for 30m. Uses two AAA batteries (included). Weighs 2 oz with batteries. Hang packaged.