Feature SCRD-PS12 Solar Power Red Dot Sight A Precision Adjustments: 2 MOA Dot with Audible 1 MOA Click Value for Effortless and Accurate Tuning A Adjustable Brightness: 8-Level Center Dot Brightness Settings Adapt to Various Lighting Conditions A Lower 1/3 Co-Witness: 41mm / 1.6in Height from Base to Center Optimized for Easy Iron Sight Alignment A Quick Mounting: Quick Release Picatinny Mount Provides Fast Installation and Unmatched Versatility A Solar Backup Power: Solar Panels Utilize Sunlight as Backup Energy Even if Battery Depletes SCRD-PD12 Double-Reticle Red Dot Sight A Dual Reticle Options: 3 MOA Dot, Circle, and Crosshair Dot Adapt to Diverse Shooting Scenarios A Smart Power Saving: Motion Sensor Auto-Activates and Shuts Down to Extend Battery Life A Adjustable Brightness: 8-Level Center Dot Brightness Settings Adapt to Various Lighting Conditions A Lower 1/3 Co-Witness: 41mm / 1.6in Height from Base to Center Optimized for Easy Iron Sight Alignment A Quick Mounting: Quick Release Picatinny Mount Provides Fast Installation and Unmatched Versatility Specification Magnification: N/A Objective Lens: 22mm Eye Relief: Free Optics Coating: Fully Multi coated Overall Length: 84mm / 3.3in Quick Release Base Length: 48mm / 1.9in Low Mount Length: 48mm / 1.5in Width: 51mm / 2.0in Height: 38mm(1.5in) from bottom to center Weight: 214g / 7.5oz Click Value: 1MOA Parallax: 1 MOA Dot Intensity: 9 levels Dot Size: 3MOA Elevation Range: 60 MOA Windage Range: 60 MOA Mounting: Picatinny Battery Style: CR2032 Double reticle system, standard dot or crosshair & circle & dot. Excellent for moving target and fast shooting. Shock proof, IPX4 water resistance and fog proof. High quality aluminum alloy 6061 in durable black matte finish. With Quick Release mount knob lock feature. Free Accessories: Cantilever Quick Release Picatinny mount, low Picatinny mount, flip-up cap, hex keys and cleaning cloth etc. Videos