Features: LED technology Features both tail cap and 6" Remote Pressure Switches Momentary or constant-on function Standard and offset Picatinny rail mounts Sharp focused beam for distance illumination Aircraft-grade 6061-T6 aluminum housing w/Type III hard-anodized finish Beam distance rated at 304 meters IP-X7 Waterproof Impact & chemical resistant Serialized for personal identification (2) 18650 batteries, single charger and 2' USB cable (included) (2) CR123 batteries (optional) Limited Lifetime Warranty Specifications: Xtreme Lumens: Yes Multi-Function: Yes Flashlight Lumens: 1500 Beam Distance: 304 m Candela: 23,148 Drop Rating: 2 m Dust/Water Rating: IP-X7 Waterproof Flashlight Runtime: 1.5 hrs Switch Function: Momentary or constant-on Length: 5.5 in (140 mm) Width: 0.9 in (23 mm) Weight: 7.5 oz (213 g) Diameter: 0.9 in (23 mm) Head Diameter: 1.5 in (38 mm) Light Source: LED Body Color: Black Quantity of Batteries: 1 Power Source: Rechargeable Lithium-Ion Battery Max Input: 12VDC 0.5A Backup Power Source: (2) CR123 batteries (not included)