Feature A Quick Close-Range Visibility: 6 MOA Center Dot Supports Fast Target Acquisition During Close Distance Shooting Situations A Dynamic All-Light Readability: Red Illuminated Reticle with 8 Brightness Levels and 2 Night Vision Modes Adjusts to Changing Light A Expanded Viewing Coverage: Extra-Large 20 x 28 mm / 0.8 x 1.1 in Window Broadens Sight Area for Rapid Target Engagement A Multi-Caliber Recoil Endurance: Rated for Recoil from 9mm .223/5.56 .308 12GA up to .338 Lapua Magnum Firearm Platforms A Dependable Wet-Weather Operation: IPX6 Waterproof Rating Sustains Operation in Rain and Other Wet Outdoor Environments A Broad Platform Compatibility: TEK Footprint Compatible w/ the DocterA(R) Standard for GlockA(R) 17/19 and CZ P-10 C OR Platforms Specification See our Terminology Guide for detailed explanations of each specification. Specification Details Magnification: N/A Window Lens Size: 20x28 mm Parallax: 1.0 MOA Parallax Setting: Dot Size: 6 MOA Sensor: N/A Click Value: N/A Elevation Adjustment Range: 45 MOA Windage Adjustment Range: 45 MOA Footprint: TEK Mounting Rail: Weaver Illumination Setting: 8 Daylight + 2 Night Vision Battery Type: CR2032 (NOT INCLUDE) Battery Life: Up to 50,000 hours Battery Placement: Waterproof: IPX6 Shockproof: Working Temperature: -20~+55Adeg C Housing Material: 6061-T6 Aluminum Alloy Mount Material: 6061-T6 Aluminum Alloy Finish: Matte Black Weight (Net): 56 g / 2.0 oz Items in the Package: Retail Package, Weaver Mount, Rubber Lens Cover, Hex Keys and Cleaning Cloth, etc Footprint TEK Footprint A Compatible Industry Standard: Docter / NoblexA(R) A Original Compatible Pistol Optics-Ready (O.R.) Model: GLOCKA(R) Standard MOS Gen4/5 (exclude G48/G43X), WaltherA(R) PDP (w/ adapter plate), TAURUSA(R) G3 T.O.R.O (w/ adapter plate), M&PA(R) M2.0 C.O.R.E. (w/ adapter plate), etc. For more information about FOOTPRINT, please refer to the blog. Video Size Download Frenzy Red Dot User Manual