Axeon optics mdsr1 delivers high performance in a lightweight, compact and low-maintenance package.The 1x20 micro dot sight features an optimal for carbine use 2 moa red dot reticle and a super long 30,000-hour battery life with auto shut-off.This sight is ready to mount on your msr platform with the included co-witness riser base.Windage and elevation adjustment are made in 1/2 moa increments and is powered by a single cr2032 battery.Battery: CR2032Magnification: 1xObjective: 20mmDot Size: 2 MOAFinish: BlackReticle: Red DotAdjustment Size: .50 MOAWindage Elevation: Adjustable