Holosun Red 2 MOA dot & 65 MOA Circle Aluminum Red Dot

HS510C is packed with Holosun innovation including Solar Failsafe, Shake Awake, MRS (Multi-Reticle System), Red Super LED with up to 50k hour battery life, with 10 daylight and 2 night vision compatible intensity settings. A lower 1/3 co-witness spacer is available separately from Holosun dealers that increases the dot height to 1.63".Specifications and Features: Reticle: 2 MOA Dot & 65 MOA Circle Light Wavelength: 650nm Reticle Color: Red Parallax Free: Yes Multi-Coatings: Yes Power Source: Battery Battery Type: CR2032 Battery Life (Hours): 50000 Brightness Setting: 10 DL&2 NV Window Size: 0.91x1.26