The Vism VDBSOL130 solar red dot reflex sight is has two power systems, powered by the sun from its solar cell and the included AA battery. This solar powered red dot sight has high quality clear lens with crisp red dot that automatically turns on when there is sufficient sun light or the battery is used when there isn't enough sun light or when using the optics indoors, or at night. The electronic control panel has a red LED indicator when the Red Dot is powered by the AA battery. Features an electronic control panel to turn on the Red Dot under AA battery power. You can adjust the brightness level up or down when powered by the battery. Red Dot centerline is at 1.5" AR-15 height. Locking quick release Picatinny mount. Unlimited eye relief. LED 100% safe for the eyes. 2 MOA Red Dot has 5 levels of brightness. Sight is Durable and reliable construction made to last. Lifetime Limited Warranty.
Magnification: 1x
Dot Size: 2 Moa
Dot Color: Red
Objective Diameter: 30mm
Lenth: 4.0"
Lens Coating: Ruby
Battery: AA