Athlon Optics Midas Beam TSR1 Red Dot Sight Battery: CR2032 Magnification: 1x Fully-multicoated lenses Aircraft grade aluminum w/ one-piece chassis construction Waterproof Fog proof Shockproof Nitrogen purged Click Value: 1 MOA Reticle size: 3 MOA Reticle: Dot, Circle, Circle/Dot Reticle color: Red Reticle mount: RMR 50,000-hour battery life 10 brightness settings Length: 1.77" Weight: 1.95 oz Lifetime Warranty