Holosun Ronin AEMS Red Dot Green Dot 2 MOA dot inside a 65 MOA circle reticle;Constructed from 7075 T6 aluminum with an anodized finish;Solar Failsafe and battery dual power sources;Shake Awake technology with a 50k-hour battery life;Clear flip-down lens covers included;Lower 1/3 co-witness mount;12 brightness settings, with 4 night vision compatible;Dimensions: 2.2 x 1.54 x 1.7 inches; Weight: 3.9 oz;Submersible to IPX8 standards and resistant to extreme vibration and temperature conditionstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } 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)