The EPS-RD-2 is a full-sized, enclosed handgun sight featuring an aspheric lens for a perfectly clear sight picture. EPS-RD-2 has an ultra-low dot height for compatibility with most factory iron sights and utilizes Holosun's proven K footprint. EPS-RD-2 includes an RMR-to-K footprint adapter plate for maximum compatibility. EPS-RD-2 features Holosun's 650nm Red Super LED with a 2MOA dot and provides up to 50k hour battery life from a 1620 cell. EPS-RD-2 also includes Shake Awake technology, 8 daylight and 4 night vision compatible reticle intensity settings. EPS-RD-2 is made of 7075 aluminum and is IP68 dust and water proof. Reticle: 2 MOA Dot Reticle Color: Red Dot Height: 0.54" Footprint: Holosun's K/RMR-to-K Plate Included Parallax Free: Yes Unlimited Eye Relief: Yes Magnification: 1x Multi-Coatings: Yes Power Source: CR1620 Battery Battery Life: 50,000 Hours Brightness Settings: 8 Day Light & 4 Night Vision Weight: 1.4 oz Housing Material: 7075 T6 Aluminum Adjustment Per Click: 1.5 MOA W&E Travel Range: + or - 30 MOA Submersion: IP68 Vibration: 5000G Color: Black