Experience fast, responsive accuracy in diverse lighting conditions and backgrounds with the Crossfire - Green Dot. Using the most visible color to the human eye and a reliable, uncomplicated design, it delivers impressive versatility on your carbine or shotgun. Backed by the Vortex VIP Warranty. Features Night-Vision Compatibility: 2 night-vision compatible illumination settings. Multi-Height Mount System: Lower 1/3 Co-Witness Mount and Low Mount. Fully Multi-Coated Lenses: Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance. Nitrogen Purged: Gas purged and O-ring sealed for fogproof and waterproof performance. Waterproof: Designed to withstand harsh weather conditions. Fogproof: Designed to withstand a wide range of temperatures. Shockproof: Designed to withstand impact. Specifications Mount Type: Multi-Height Dot Size: 2 MOA Dot Color: Bright Green Battery Type: CR2032 Battery Runtime: 50,000 hrs. Magnification: 1x Reticle: 2 MOA Dot Eye Relief: Unlimited Adjustment Graduation: 1 MOA Max Elevation Adjustment: 100 MOA Max Windage Adjustment: 100 MOA Parallax Setting: Parallax Free Length: 2.5" Weight: 4.59 oz.