Red dot sight is equipped with multi-reticle system MRS(3 MOA Dot / 40 MOA Circle / 40 MOA Circle and Dot)using the circle dot reticle makes target acquisition quick and easy. Red dot sight RDS lightweight (net weight:26g / 0.91oz without picatinny mount), window size is 24X17mm / 0.94x0.67, Red dot optic clarity is commendable, delivering clear visuals. You don't have to worry about turning it on or forgetting to turn it off. But if the sight is manually powered off, the shake awake function will be turned off simultaneously.