Holosun AEMS Core X2 1x Green Dot - 2 MOA Dot - The Holosun AEMS CORE X2 enhances the AEMS platform by improving accuracy through an advanced optical system that reduces parallax by 50%. AEMS CORE X2 also features an all-new four post, lower 1/3 co-witness mount. AEMS CORE X2 remains backwards compatible with original AEMS mounts. All Holosun's reflex sights are high-quality military optics at an unbeatable price - without compromise. They allow for quick target acquisition with both eyes open, making them suitable for hunters, sport shooters, law enforcement, and airsoft players. FEATURES: 2 MOA Dot - Green Dot: Accuracy at intermediate distances. Up to 50,000-Hour Battery Life: Extended runtime for long-term reliability. Shake Awake Technology: Auto-on/off feature for instant activation. 10 Daylight and 2 Night Brightness Settings: For manual brightness adjustment in different lighting conditions. The sights can be used in combination with laser aiming devices, night vision devices, and night vision goggles. 7075 Aluminum Housing: Black anodized for long-lasting durability. IP67 Waterproofing: Ready to perform in any environment. INCLUDES: Holosun AEMS-CORE-X2- GR - Green Reticle Lower-1/3 Co-Witness Mount CR2032 Battery Multi-Tool Lens Cloth User Manual