6" overall. Black knurled aircraft aluminum housing with stainless pocket clip and dual lanyard slots. White LED. CREE XM-L2 T6 bulb. 500 lumens. Three modes: Ultra bright - lumens: up to 500, runtime: up to 1.3h. Standard - lumens: up to 90, runtime: up to 10h. Battery saver - lumens: up to 5, runtime: up to 150h. Push button on/off tailcap switch. Waterproof: up to 2m. O-ring sealed. Uses two AA batteries (not included). Black nylon belt sheath. Includes silver nylon lanyard with attachment clip and adjustable toggles, (2) extra O-rings and an extra rubber tailcap button. Hang packaged.