The Holosun ARO Evolution Enclosed Solar Red Dot Sight combines advanced solar technology with precise 2 MOA green reticle for superior target acquisition in all lighting conditions.Holosun ARO Evolution Enclosed Red Dot SightSolar powered with CR2032 battery backupDual reticle system: 2 MOA dot or 65 MOA circle dotGreen reticle technology for enhanced visibilityPicatinny/Weaver rail mounting systemBlack matte finish with durable constructionCompact dimensions: 2.70" x 3.65" x 4.75"Lightweight at 5.56 ouncesIdeal for tactical applications hunting and competitive shooting where reliability and precision are paramount. The enclosed design provides protection from the elements while the solar capability ensures extended operation time.