5.75" overall. Water resistant. Impact resistant. Rechargeable. Modes: High (130-40 lumens, 1m + 45m runtime); Medium (30 lumens, 2.5h runtime); Low (3 lumens, 15h runtime); Beacon (10 lumens). Red and blue flashing function. Folding utility blade. Comes with 5 replaceable blades. Glassbreaker tip. Requires (1) Lithium battery (included). Boxed.