Product DescriptionThe ZeroTech Optics Thrive HD Micro Reflex Sight delivers rapid target acquisition in a compact, lightweight package built on the Shield RMSc footprint for broad pistol compatibility. Featuring advanced shake-awake technology with auto on/off, a crisp 3 MOA red dot, and fully multi-coated optics, the THDM21 is engineered for reliability in everyday carry and duty use. Its durable, waterproof, shockproof, and fogproof construction, 10 brightness levels, and long-lasting CR2032 power source (up to 150,000 hours) make it a versatile red dot for compact pistols or as an ultra-light backup sight on other platforms. Includes protective cover, cleaning cloth, hex keys, and mounting screws.Product Highlights RMSc footprint for direct mounting to many compact pistols Shake-awake with auto ON/OFF and 10 adjustable brightness settings 3 MOA red dot with unlimited eye relief for fast aiming Fully multi-coated lens with AR coating to minimize distortion Ultra-lightweight design at just 19g; waterproof, shockproof, and fogproof Specs Magnification: 1x (fixed) Objective window size: 21 x 15 mm; Objective lens diameter: 21 mm Reticle: 3 MOA Red Dot; Illumination Color: Red Brightness Settings: 10 levels Footprint/Mount: Shield RMSc Adjustment Click Value: 1 MOA; Windage/Elevation Travel: 60 MOA Eye Relief: Unlimited Optical Coating: Fully Multi-Coated; AR lens coating Emitter Type: Open Battery: CR2032; Battery Life: up to 150,000 hours Operating Temperature: -20AdegC to +70AdegC Length: 40.55 mm; Weight: 19 g (approx. 0.67 oz) Material: Aluminum with molded rubber components Weather Resistance: Waterproof, Shockproof, Fogproof Color: Black UPC: 9334046005295 MPN: THDM21 Brand Name: ZeroTech 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.