Vortex Crossfire II 1x21mm 2 MOA Solar Reflex Red Dot Sight Bright Red Tan 2.60in 4.47 oz.. Quick to set up. Simple to run. It's motion-activated magnifier and night-vision compatible. Mount it up and make some noise. Specifications for Vortex Crossfire II 1x21mm 2 MOA Solar Reflex Red Dot Sight: Manufacturer: Vortex Magnification: 1 x Objective Lens Diameter: 21 mm Reticle: 2 MOA Illumination Type: LED Brightness Settings: 12 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1/2 MOA Emitter Type: Enclosed Optical Coating: Fully Multi-Coated Battery Type: Solar CR2032 Battery Life: 150000 hours Water Resistance Level: Waterproof Fogproof: Yes Length: 5.75 in Width: 4.6 in Height: 2.6 in Weight: 4.47 oz Red Dot Sights-Footprint: Aim Point Micro Features of Vortex Crossfire II 1x21mm 2 MOA Solar Reflex Red Dot Sight Push buttons for illumination control 1 additional illumination setting (10 daylight 2 NV) (current Crossfire has 9 day 2 NV) Solar Options Motion Activation with 10 Minute Auto-Shutoff (you have to manually turn on/off current Crossfire) Armortek (Ultra-hard scratch-resistant coating protects exterior lenses from scratches oil and dirt.) Adjustment Graduation is 1/2 MOA Improved optic quality. Package Contents: Vortex Crossfire II 1x21mm 2 MOA Solar Reflex Red Dot Sight Lower 1/3 Co-Witness Mount Low Mount Custom Tool Rubber Cover Lens Cloth CR2032 Battery Vortex CF2-RD2-SLR-T: Crossfire II 1x21mm 2 MOA Solar Reflex Red Dot Sight Bright Red Tan 2.60in 4.47 oz.