Zero Tech Optics Thrive HD Features The Zero Tech Optics Thrive HD mounts on an RMR footprint and delivers a parallax free sight picture through its 28mm x 20mm multi coated window. Eleven brightness settings let the shooter match the red dot s intensity to anything from a dim indoor range to bright midday sun and shake awake technology powers the sight down after inactivity and instantly back on with the slightest motion. A side loading CR2032 battery delivers up to 50 000 hours of runtime so the Thrive HD is ready to go without constant battery swaps. Auto shutoff and auto on features work alongside the shockproof and waterproof housing to keep the sight reliable across range sessions hunts and duty use. The included high riser see through mount elevates the Thrive HD so the shooter can still reference iron sights beneath the optic giving a built in fail safe if the dot ever goes down. That raised position also keeps the head in a more neutral posture during extended shooting sessions reducing neck strain compared to a low mounted reflex sight. Ninety MOA of both windage and elevation adjustment gives plenty of room to zero the sight precisely on a wide range of host platforms. At just 3.1 ounces and finished in a durable anodized black aluminum housing the Thrive HD is a compact versatile reflex sight for sale at GrabAGun for shooters who want reticle flexibility and a dependable backup sighting option. Zero Tech Optics Thrive HD Specifications Manufacturer: Zero Tech Optics Model: Thrive HD Type: Red Dot Sight Magnification: 1x Objective: 28mm x 20mm Color: Black Material: Aluminum Reticle: Multi Reticle 3 MOA Dot / 40 MOA Circle / Combo Mount Type: RMR Footprint Brightness Settings: 11 Battery Size: CR2032 Battery Life: 50 000 hrs Windage Adjustment: 90 MOA Elevation Adjustment: 90 MOA Length: 1.78 Height: 2.14 Width: 1.24 Weight: 3.1 oz Click Value: 1 MOA Available At: GrabAGun