Viridian Weapon Technologies RFX15 17-24mm Reflex Red Dot Sight 3 MOA Green Dot Flat Dark Earth. Fits most subcompact optics ready pistols that use the Shield Standard footprint. Tested in the harshest conditions to ensure your optic will be ready whenever you need it. Auto off after 2 minutes. With 2 night vision brightness settings the RFX15 is the perfect optic for your pistol in any light condition. Specifications for Viridian Weapon Technologies RFX15 1x17-24mm Reflex Red Dot Sight: Manufacturer: Viridian Weapon Technologies Color: Flat Dark Earth Fabric/Material: 6061-T6 Aluminum Magnification: 1 x Objective Lens Diameter: 17 - 24 mm Reticle: 3 MOA Green Dot Illumination Color: Green Emitter Type: Open Battery Type: Lithium Metal CR2032 Battery Quantity: 1 Battery Life: 30000 hours Operating Temperature: -4 - 130 Fahrenheit Water Resistance Level: IPX-6 Length: 1.62 in Weight: 0.65 oz Red Dot Sights-Footprint: RMSc Adjustability: Adjustable Package Contents: Viridian Weapon Technologies RFX15 1x17-24mm Reflex Red Dot Sight Viridian Weapon Technologies 9810143: RFX15 17-24mm Reflex Red Dot Sight 3 MOA Green Dot Flat Dark Earth