507Comp-RD handgun sight features a large 1.1 x 0.87 objective lens for enhanced shooting performance and Holosun s new Competition Reticle System (CRS) with Holosun s 650nm Red Super LED and up to 50k hour battery life with a 1632 cell. CRS is an enhanced multi-reticle system with four components including a precision 2MOA dot, an 8MOA circle, 20MOA circle, and 32MOA circle with multiple combination settings to suit individual shooter preference. 507Comp-RD is made from 7075 aluminum with an industry standard footprint, and includes Shake Awake technology. Product Features Shake Awake Multiple Reticle System Multilayer Reflective Glass Product Specifications OPTICAL SPECS Reticle: 2 MOA Dot & 8/20/32 MOA Circle Light Wavelength: 650nm Reticle Color: Red Parallax Free: Yes Unlimited Eye Relief: Yes Magnification: 1x Multi-Coatings: Yes ELECTRONIC SPECS Power Source: Battery Battery Type: CR1632 Battery Life (Hours): 50000 Brightness Setting: 8 DL & 2 NV PHYSICAL SPECS Window Size: 1.1 0.87 Dimension (in): 1.8 1.3 1.3 Weight (oz): 1.7 MECHANICAL SPECS Housing Material: 7075 T6 Aluminum Surface Finish: Anodize Adjustment per Click: 1 MOA W&E Travel Range: 30 MOA ENVIRONMENT SPECS Storage Temperature: -40C~70C Working Temperature: -30C~60C Submersion: IP67 Vibration: 5000G