Viridian 9810142 RFX11 Green Dot Reflex Sight Flat Dark Earth 1 x 16 x 22mm 3 M - Eyes See Green Better. The RFX 11 is the next in a long line of purpose-built, high quality, and highly visible aiming devices from Viridian. Its tiny size is at home on any optics-cut concealed carry pistol or as a close-range offset sight on your rifle. At a mere 0.44 ounces, the RFX 11 is one of the lightest reflex sights on the market. Packed with features including a highly visible and efficient Viridian green 3 MOA dot, INSTANT-ON and auto shut off, ambient light sensor and over 30k hours of run time make the RFX 11 a must have for any firearm. Specifications for Viridian Weapon Technologies RFX11 1x16-22mm Reflex Red Dot Sight: Manufacturer: Viridian Weapon Technologies Color: Flat Dark Earth Fabric/Material: Thermomolded Polymer Magnification: 1 x Objective Lens Diameter: 16 - 22 mm Reticle: 3 MOA Green Dot Eye Relief: Unlimited Emitter Type: Open Optical Coating: Multi Coated Battery Type: CR2032, Lithium Metal Battery Quantity: 1 Battery Life: 30000 hours Operating Temperature: -4 - 130 Fahrenheit Water Resistance Level: Waterproof Length: 1.6 in Weight: 0.44 oz Red Dot Sights-Footprint: RMSc Viridian 9810142 RFX11 Green Dot Reflex Sight Flat Dark Earth 1 X 16 X 22mm 3 M