Aim-O 558 Holographic Clone Black

Magnification: 1xEye-relief: UnlimitedType illuminated: 20 levels brightness red and green reticle to provide maximum flexibility in different lighting conditionsFocus type: FixedMaterial: Aluminum alloyEasy to setup, fits any 20mm railElevation adjustment and view of the side of leverageShockproof and weatherproof materialsEasy to install with built-in quick detachable mountBattery: CR123A (NOT included for shipment)