The Holosun EPS Enclosed Pistol Sight, 2 MOA, Green Reticle, Black, EPS-GR-2 Color: Black, Finish: Anodize, Fabric/Material: 7075-T6 Aluminum, Magnification: 1 x, Objective Lens Diameter: 0.63 - 0.91 in, Reticle: 2 MOA Green Dot, Illumination Type: LED, Illumination Color: Green, Brightness Settings: 8, Eye Relief: Unlimited, Adjustment Type: MOA, Adjustment Click Value: 1.5 MOA, Lens Material: Glass, Battery Type: CR1620, Battery Quantity: 1, Battery Life: 50000 hours, Operating Temperature: -40 - 70 Celsius, Water Resistance Level: IPX-8, Length: 1.2 in, Width: 1 in, Height: 1.62 in, Weight: 1.4 oz, Condition: New, Package Type: Box, Quantity: 1, Switch Type: Button.