The Firefield Rapidstrike Red Dot is a durable, high-performance tubed red dot with a 3 MOA reticle, Shake Awake technology, and an 80,000-hour battery life. It features a side-loading battery tray for a streamlined profile, flush turrets to reduce snag points, and clear flip-up lens caps for lens protection and quick use. Built to last, it's IP67 waterproof, dustproof, and shockproof, with a nitrogen-filled fogproof tube and compatibility with the AimpointA(R) T2 footprint. Designed for reliable use in demanding conditions. 3 MOA dot reticle Shake Awake, sleeps after 15 minutes of inactivity 1P67 Waterproof, dustproof, and shockproof Nitrogen-filled fogproof tube 9 Brightness settings Compatible with AimpointA(R) T2 footprint 1 MOA clicks 120 MOA max windage/elevation Maximum caliber 12ga Uses CR2032 batteries 80,000 hours of battery life on lowest power settingIncluded: RapidStrike Red Dot Sight Lens Cloth 2mm hex Wrench T15 Torx Wrench CR2032 Battery Clear Flip-Up Lens Covers High Mount