The Holosun HS502C has a 30mm objective lens diameter and a 2 MOA dot reticle. It features push button brightness adjustments with 9 daylight and 2 night vision compatible settings. The HS502C is waterproof and has multi-layer coating on all lenses. Poweby a single CR2032, this dot sight boasts an astounding 50,000 hours of battery life. The HS502C has two power systems, one is operated by solar power only while the other operates on battery only. Out of the box, this dot is automatically solar powered. The dot intensity also auto adjusts to ambient light.
