Dimensions: 5.63"; Color: Black; Battery: 1(included) Lithium; Light Features: Water Resistant l Weapon Mountable l Strobe l LED l High: 1000 Lumens for 1h l Medium: 220 Lumens for 5h l Low: 1 Lumens for 680h; Other Info: CREE XP-L HI V3 LED. 618m beam distance. Impact resistant. Side switch designed for tactical applications and access to 5 brightness levels and 3 special modes. Memory function. Built-in power indicator. Advanced temperature regulation. Aerospace grade aluminum construction. Mineral optic with anti-reflective coating. RSW1 compatible. Uses (1) 18650 battery. Boxed.