Product DescriptionThe Zero Tech Optics Thrive HD Reflex Red Dot delivers fast target acquisition and dependable performance in a compact, rugged package. Featuring a multireticle system with a 3 MOA dot, 40 MOA circle, or a combined dotincircle, it adapts to your shooting style and environment. Advanced shakeawake technology provides auto on/off convenience, while 11 brightness settings and multicoated optics keep the sight picture bright and clear. Built on the popular RMR footprint with a durable 7075 aluminum housing, the Thrive HD mounts easily and includes a low Picatinny base and essential accessories.Product Highlights Multireticle system: 3 MOA dot, 40 MOA circle, or dot + circle for versatile aiming Shakeawake with auto on/off and sideloading CR2032 battery for up to 50,000 hours of life RMR footprint with included dualbolt low Picatinny base for broad firearm compatibility 11 brightness settings, parallaxfree window, and multicoated glass for a crisp, clear view Tough 7075 aluminum housing that is waterproof, shockproof, and fogproof Specs Magnification: 1x Objective window: 28 x 20 mm Reticle: Multireticle (3 MOA dot; 40 MOA circle; dot + circle), red illumination Brightness settings: 11 Illumination: LED Eye relief: Unlimited Adjustment click value: 1 MOA; Adjustment range: 100 MOA Battery: CR2032; Battery life: up to 50,000 hours Footprint: RMR pattern Lens coating: Multicoated / AR coating Housing material: 7075 aluminum; Finish: Black anodized Length: 45 mm; Height: 28 mm Weight: 88 g Waterproof, shockproof, and fogproof Included: Low Picatinny base, molded rubber cover, QR welcome card, microfiber cloth, tools UPC: 9334046005509 MPN: THDRS28ML Brand: ZERO TECH OPTICS Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.