Feature RDSL34 VictOptics SRD 1x18x20 VOD Red Dot Sight A Fast & Accurate Targeting: 4 MOA dot size delivers the perfect balance for close to mid-range shooting A Quick Battery Swap: Side-loading design allows fast replacement without sight removal or loss of zero A All-Light Adaptability: 8 daylight and 1 night vision setting ensure clear visibility anytime, anywhere A Flexible Mounting Options: VOD footprint fits ACROA(R), with included Picatinny riser mount for versatility Specification RDSL34 VictOptics SRD 1x18x20 VOD Red Dot Sight Magnification: N/A Window Lens Size: 18 x 20 mm / 0.71 x 0.79 in Parallax: Free (3MOA) Parallax Setting: 50 yards Dot Size: 4MOA Sensor: N/A Click Value: 1MOA Elevation Adjustment Range: 100 MOA Windage Adjustment Range: 100 MOA Footprint: VOD Mounting Rail: Weaver Illumination Setting: 8 Daytime & 1 Night Vision Battery Type: CR2032 Battery Life: 20,000 hours (Lowest Power Mode) Battery Placement: Side Loading Waterproof: IPX4 Shockproof: 750G Working Temperature: -20 ~ +60 AdegC Housing Material: 6061-T6 Aluminum Alloy Mount Material: N/A Finish: Matte Black Length: 47 mm / 1.85 in Weight: 71 g / 2.50 oz (with Battery) Items in the Package: Riser Weaver Mount, User Manual, Plastic Wrench, Cleaning Cloth, etc. Size Footprint