1x20 Red Green Dot Reflex Sight Low Profile Micro Weaver Picatinny Mount w/ 5-Rail

Magnification: 1X Objective Aperture: 20 mm Click Value @ 100 yds: 1/2 MOA Dot size: 4 MOA Battery: CR2032 Length: 2.25" Weight: 4.5 oz. FEATURESMicro Red Dot Sight, Precision Red and GreenAircraft grade alumium to withstand constant heavy recoilFog proof and shock-resistant housingNitrogen charged with weather resistant sealsCoated lens provides superior light transmission, resolution and scratch resistanceUnlimited eye relief for quick target acquisitionDual-illuminated (Red, Green) 4 MOA dot reticle with adjustable rheostat for brightness controlIntegrated Weaver / Picatinny 1913 mounting system with 5 rail2,000 hours of battery life on low settingIncludes protective lens cover