The SCS-MOS (Solar Charging Sight) is a direct attachment optic for GLOCK MOS systems offering the lowest profile deck height for use with standard-height iron sights. The SCS-MOS combines solar power, rechargeable power storage, with an auto-adjusting reticle brightness to potentially operate indefinitely in multiple lighting. Features multiple reticle system, siper LED and shake awake.Color : BlackDescription : Solar with Internal BatteryFinish : MatteManufacturer Part # : SCS-M-GRMOA : 2 MOAModel : SCSObjective : N/APower : 1XReticle : Green Ring & 2 MOA DotSubcategory : Red Dot Sights & Non-Magnified OpticsType : Red Dot