Hawke Endurance Red Dot 1x30 Digital Sight, Weaver Durable aluminum construction 3 MOA red dot 25-layer fully-multicoated optics 8-stage digital brightness control Parallax free from 10 yards High-profile quick-release and low-profile Weaver mounts Windage and elevation adjust by 1 MOA clicks Shockproof, fog proof, waterproof Nitrogen purged Height: 3" (high mount), 2.5" (low mount) Length: 3.5" Weight: 8.5oz 2-year limited warranty