The NcSTAR VDBSOL130 SPD Solar Red Dot Reflex Optic in sleek black delivers exceptional performance for all shooting environments. This optic features a dual power source, harnessing solar energy through its top-mounted solar cell or utilizing an AA battery for versatile functionality. Dual power source: solar cell or included AA battery. Automatic activation in sunlight for effortless use. Brightness adjustment via electronic control panel. 1.5" centerline height suitable for most rifles. Locking quick release Picatinny mount for secure attachment. Unlimited eye relief for enhanced target acquisition. Safe LED technology for eye protection. 2 MOA red dot with five brightness levels for optimal visibility. Enhance your shooting experience with this precision-driven optic, designed for serious enthusiasts.