Holosun AEMS CORE 2 MOA Green Dot Sight combines cutting-edge technology with ruggedness to last in the toughest situations. It features durable aluminum construction with a black anodized finish for maximum durability. Advanced features include Shake Awake Technology and Super LED making this green dot reliable, functional, and easy to use. A large field of view and multi-layer coated glass offer maximum light transmission and a clear sight picture with reduced glare.Features: 2 MOA green dot reticle Large field of view Compact aluminum housing Super bright LED Multi-layer reflective glass Motion on - Last setting recall Up to 50,000 hours of battery life Shake awake technology Includes 1/3 co-witness mount Holosun Technologies is committed to creating innovative optic, laser/IR technologies for a broad range of shooting, hunting, law enforcement, and military needs. Using quality manufacturing standards, they provide military-grade optics without the military-grade price.