Large FOV in a Compact, Lightweight package Motion On with Last Setting Recall Up to a 50,000 Hour battery life Solar Failsafe Multi-Reticle System (MRS): 2 MOA Dot, 65 MOA Circle, Circle-Dot Shake Awake Technology Holosun AEMS 21301 features Multi-reticle System with Solar Failsafe and Shake Awake technology. The housing is made from 7075 aluminum and is black anodized for durability. In the Box: Lower 1/3 Co-witness Mount Multi Tool Clear Flip-down Len Covers User Manual CR2032 Battery Lens Cloth