5 3/4" overall. Textured black aluminum casing is impact and water resistant. O-ring sealed. Quick cycle switch allows the option to select between a high output setting of 251 lumens or a low output of 58 lumens. Pure Beam Focusing Optic System with Fingertip Speed Focus Control provides superior beam consistency from spot to flood, with no dark rings typically associated with focusing flashlights. The Bulls-Eye Spot beam pattern provides a focused spot with a maximum beam distance of 196m (614 ft). Uses four AAA batteries (included). Runtime: up to 5 hours 45 minutes on high and 10 hours on low. Black nylon belt pouch. Hang packaged.