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WADSN WMX200 Flashlight / Weapon Light with Switch Power-(fps)_245 Guren 2 is the bestWADSN WMX200 Flashlight Weapon Light with SwitchAluminum ConstructionThis flashlight has two modes, white light, IR light Can be adjusted by turning the dial at the front and lining up the white dot to the corresponding initialsPowered by 2xCR123A BatteryFit to mount on any 20mm Picatinny RailInclude Pressure Pad SwitchLength: 140mm