Holosun AEMS Rifle Sight Gold 2MOA Dot 2 MOA gold dot reticle for precision aiming;Up to 50,000 hours of battery life;Shake Awake technology for battery conservation;Powered by a CR2032 3V lithium coin battery;12 brightness settings, including 10 daylight and 2 night vision-compatible modes;Unlimited eye relief for rapid target acquisition;1x magnification for situational awareness;0.5 MOA click adjustments for precise zeroing;Four-post lower 1/3 co-witness mount included;Backward compatible with original AEMS mounts;Constructed from 7075-T6 aluminum for durability;Corrosion-resistant black finish;IP67 submersion rating for waterproof protection;Lightweight design at 4.1 oztable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Second Color: Gold Item Category Code: 4000 Product Group Code: 4000L Product Sub Group 1: 4000L1 Inactive: No Prop65 Applies: Yes Prop65 Cancer Harm: Yes Prop65 Chemical: Nickel (Metallic)