Vortex Defender-CCW Red Dot Sight, 6 MOA Dot Red Dot Dot size: 6 MOA Footprint: Shield RMSc Battery: CR 1632 Battery runtime: Up to 9,500 hours Magnification: 1X Eye relief: Unlimited Click value: 1 MOA Max elevation: 110 MOA Max windage: 105 MOA Parallax free Length: 1.6" Weight: .95 oz Waterproof Fog proof Shockproof Window size: 20mm Auto off after 10 minutes Motion activated Fast-Rack Texturing 10 brightness settings (8 Day, 2 Night) Black matte anodized Single-piece chassis Includes: 1 shim plate, Picatinny rail mount, rubber cover, lens cloth, CR1632 battery, custom tool, 6 sets of mounting screws VIP Lifetime Warranty