Get on target fast with the SPARC II. Ultra-compact and lightweight, the SPARC II (Speed Point Aiming for Rapid Combat) is equally at home mounted on an AR-15 or shotgun. Digital rear facing controls for powering on/off and adjusting the 2 MOA daylight bright red dot brightness at ten intensity levels – automatically returning to the last dot intensity used when powered up. Rugged single-piece body machined from aircraft grade aluminum is o-ring sealed for waterproof and fogproof performance.Battery Life: Up to 300 hours on highest setting. Up to 6,000 hours on lowest setting.The VMX-3T Magnifier is not recommended for use with the SPARC IIThe versatile multi-height mount system accommodates most firearms including AR-15s needing absolute or lower 1/3 co-witness heights, and mounts on standard Weaver or Picatinny bases (not included). A modular three-piece base offers four separate mounting heights for user- and weapon-specific customization: 18.0 mm (.709 inches), 21 mm (.823 inches), 37 mm (1.457 inches), 40 mm (1.575 inches).SpecificationsMount Type Multi-HeightMagnification 1xObjective Lens Diameter 22 mmDot Color Bright RedDot Size 2 MOAEye Relief UnlimitedAdjustment Graduation 1 MOATravel Per Rotation 45 MOAMax Elevation Adjustment 90 MOAMax Windage Adjustment 90 MOAParallax Setting Parallax FreeLength 3.1 inchesWeight 5.9 oz