The Holosun HS510C Circle Dot Sight with HM3X Magnifier Combo features a multi-reticle system that includes a 2 MOA dot, a 65 MOA circle, and a combination of both, providing options to suit any scenario. The sight is powered by both battery and solar energy, ensuring continuous operation for up to 50,000 hours. Engineered with Shake Awake and Solar Failsafe technologies, it remains at the ready, powering up with movement and harnessing solar energy as a backup. The sight is constructed with durable aluminum housing, is shockproof, and boasts an IPX7 water resistance rating. The combo includes the HS510C Circle Dot Sight, the HM3X Magnifier with an ambidextrous flip-to-side mount, and comes in a protective storage case.