The SCS-CARRY (Solar Charging Sight) is a direct attachment optic for slim, carry-sized sub-compact handguns. It is designed to attach directly to HOLOSUN-K slide cuts, or to RMSc cut slides with the included adapter plate. The SCS-CARRY uses an innovative solar charging system with multi-directional light sensors to automatically adjust brightness in dynamic lighting situations. The SCS can potentially operate indefinitely with its internal, rechargeable 20,000-hour battery. IPX8 waterproof. Includes RMSc-to-K Adapter Plate