KF-003 Specification:Magnification : 1x Bullet Drop Compensator : NoLength (In) : 45mm lllumination Source LED1 Click =1 MOA Day Reticle Color : Red Night Reticle Color : RedBindon Aiming Concept : No Adjustment @100 yards (clickslin) : 1.0Housing Material : Forged AluminumBatteries CR2032 Battery (Does not contain) Six bars two chamfering Transparency of 95% mid reflection Ultra-high transparency multilayer purple film In low light the image imposes clarity 700H/2 hours without operation automatic power off 2/3/5MOA 45yards 0.5MOA 0MOA Mn Steel quenching 1 click=1moa ±75moa 12.9(The hardness of the bolt is grade 12.9) 12.9 (Screw hardness is grade 12.9)