The vism solar powered combat red dot optic is a compact reddot optic packed with many desirable features.The optic include these features: dual power source from solar cells to power the red dot reticle from the sun or a single aaa battery electronic control panel and our patented switch cover that rotates and folds flat against the optic body with a push of a button.Flexible and multiple mounting options: includes a low rail mount and a quick release higher 1.5" mount height (for ar15/ m4 absolute ironsight co-witness) that will mount to nearly any weaver/ picatinny/ mil-std1913 type rails.Battery: Solar Panel/AAAMagnification: 1xObjective: 24.5mmDot Size: 4 MOALength: 3.60"Weight: 7.60 ozFinish: BlackReticle: Red DotAdjustment Size: .5 MOAOptic Coating: RubyWindage Elevation: Adjustable