SpecificationBasic Data Material: 6061-T6 Aluminum,MIL-SPEC Type III Hard Anodized Weight: 4.2oz. Power: CR123A Battery(Not Included in Package) Battery Life: 1.5 hours Windage & Elevation adjustable.Function Data White Light Red LaserLamp: Light Emitting Diode(CREE R5) Output (High/low): <5mWOutput: 500lumens Wavelength: 635nmPeak Illumination(Lumen M^2@5m): 115lux FDA Class: IIIaDivergence: 22° Divergence: 0.8 mRadRanger: 100 meters Range: 250mFunction Mode:1. White Light 2. Strobe Light 3. Red Laser 4. White Light+Red Laser 5. Strobe Light+Red LaserOperation: White Light: 1 click on VIS button; Strobe Light: 2 continuous click on VIS button; Red Laser: 1 click(more than 2 seconds) click VIS button.