Zero Tech Optics Thrive HD Features The Zero Tech Optics Thrive HD delivers a 3 MOA green dot reticle through a 28mm x 20mm objective window a dot size and color combination chosen to enhance visibility in bright daylight while remaining friendly to shooters with astigmatism who often struggle to resolve a crisp image from red dot reticles. Eleven brightness settings let the shooter dial in the correct intensity across a wide range of lighting conditions from dim indoor ranges to harsh midday sun. Shake Awake technology automatically shuts the unit down after a period of inactivity and instantly powers it back on at the slightest movement extending battery life to as much as 50 000 hours without sacrificing instant readiness. The sight is rated fog-proof shockproof and waterproof standing up to recoil and weather exposure across repeated range sessions. Built with an RMR footprint the Thrive HD is compatible with a wide range of mounting options already established in the market and it ships with a dual bolt low height Picatinny base for easy attachment to a standard rail. An AR coated lens reduces glare and improves clarity across the field of view while a molded rubber cover adds an extra layer of protection against the elements when the sight is not in active use. The package includes a CR2032 battery a welcome card a high-quality microfiber cleaning cloth and the tools needed for mounting giving shooters everything required to get the sight installed and zeroed. For shooters who want a durable astigmatism-friendly reflex sight with exceptional battery life the Thrive HD is a complete ready-to-mount package. Zero Tech Optics Thrive HD Specifications Manufacturer: Zero Tech Optics Model: Thrive HD Type: Reflex Sight Magnification: 1x Objective: 28mm x 20mm Reticle: 3 MOA Green Dot Color: Black Mount Type: RMR Footprint Battery: CR2032 Battery Life: 50 000 hrs Brightness Settings: 11 Windage Adjustment: 90 MOA Elevation Adjustment: 90 MOA Weight: 3.10 oz Click Value: 1 MOA Available At: GrabAGun