Viridian RFX45 Pro Reflex Sight Closed Emitter Green Dot Sight RMR Adapter Black RMR adapter;5 MOA green dot reticle;Fully multi-coated glass lens;Instant-on activation with memory and auto shutoff;Up to 50,000 hour battery life;Uses one CR2032 battery;Ten settings: Eight visible and two night vision;Machined 6061 aluminum housing with hard coat anodization;IPX6 water resistant;Maximum adjustment range: 90 MOA;Dimensions: 1.9 in x 1.1 in x 1.1 in;Lens size: 24 mm x 15.5 mm;Weight: 1.73 oz;Operating temperature: -4 degrees to 130 degreestable.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 Second Color: Green