Industry's first magnetic charging cover: osight introduces a pioneering magnetic charging cover featuring a battery display that reveals the precise battery levels for both the cover and the optic, making uncertainty certain.Boasting a 0.94 x 0.85-inch lens, this optic ensures precise targeting even amidst recoil.The 3 moa dot stands out clearly for quick and accurate dot acquisition.Turns off automatically after 10 minutes of inactivity, wakes it up in an instant.The auto-sensing mode chooses the best brightness for you, with 10 daylight levels and 2 night levels in manual mode and lockout mode, catering comprehensively to all usage scenarios.Magnification: 1xObjective: 0.94" x 0.85"Eye Relief: UnlimitedDot Size: 3.0 MOALength: 1.77"Weight: 2.12 oz (Optic)/1.76 oz (Charging Cover)Reticle: 3.0 MOA Green DotAdjustment Size: 1 MOAOptic Coating: Multi-CoatedWindage Elevation: Adjustable