Holosun AEMS Core Black Anodized 1X Red Dot Reticle The Holosun AEMS Core features Our Green Multi-Reticle System With Solar Failsafe And Shake Awake Technology. Solar Failsafe Allows The Red Dot Sight To Remain powered When Your Battery fails, Automatic Brightness Adjustment; When You're Under The Sun You Have a Bright Reticle, When You Move indoors It Will Automatically Dim Down To Match Ambient Lighting conditions; Motion On With Last Setting recall And The 2 MOA Reticle. Includes Lower 1/3 Co-Witness Mount, 2032 Battery, Multi Tool, Lens Cloth And User Manual. Magnification: 1X Eye Relief: Unlimited Dot Size: 2 MOA Weight: 3.90 Oz Finish: Black Anodized Battery: Cr2032 Reticle: Red Dot Adjustment Size: .50 MOA Proofs: Impact/Weather Resistant/Waterproof Optic Coating: Multi-Coated Windage Elevation: Adjustable Manufacturer: Holosun Mfg Number: Model: AEMS Series: Core