Model ML50L. 8 1/4" overall. Black aluminum housing. Unique quick click system to access: High - up to 490 lumen output with 15 hour runtime; Low - up to 113 lumens with 29 hour runtime; Eco - up to 23 lumen output with 112 hour runtime. Fast focusing spot to flood with 1/4 turn of head. Impact resistant to 1m. User-configurable for civilian, military, or law enforcement duty. Uses two C cell batteries (not included). Hang packaged.