Basic Fast 502 model integral thumbscrew clamp can attaches to any keymod series handguard, It is equipped with a remote switch and a pressure switch. With a simple but reliable one brightness mode only, can reach a maximum of 800 lumens  bright light, quickly illuminate the front area.single-output Tactical-Light，Use two CR123 batteries or one 18650 battery,Higher reliability and durability

 FEATURES

• A premium CREE XM-L2 (U3) LED offers maximum output of 800 lumens

• Precision Optics Technology for extreme reflector performance

• Boasts a peak beam intensity of 10000cd and throw distance of up to 200 meters

• Made by aerospace grade 6061-T6 aluminum alloy

• Constructed from aero grade aluminum alloy with HAIII military grade hard-anodized finish

• Toughened ultra-clear mineral glass with anti-scratch coating

• Two Tail cap switch options. designed for tactical application

• Waterproof in accordance with IPX-8 (two meters submersible)

• Impact resistant to 1.5 meters

DIMENSIONS

Length: 137.2mm (5.4”)

Head Diameter: 32mm (1.26”)

Tail Diameter: 25.4mm (1”)

Weight: 166grams (5.85oz)(without battery)

Accessories

Included: Hex key, velcro, CR123 battery holster, spare O-ring