The text is already in English. "Holosun dot sight Red HS503G ACSS" refers to a specific model of a red dot sight made by the company Holosun.

The 20mm lens is covered with a scratch-resistant and anti-reflective coating. It is available with the ACSS CQB reticle, with a 1/2 MOA adjustment margin. It features an LED with two NV modes and ten brightness levels. With no parallax, the eyes are relieved when aiming. The ACSS reticle, 50 MOA adjustment, and the HS503G ensures quick and precise target acquisition in all weather and light conditions. Power is provided by a single CR2032 battery, offering a runtime of 20000 hours at medium brightness settings. It also has rubberized controls and a "Shake Awake" system to conserve battery life. The set includes a low mount and 1/3 Co-Witness mount, a cleaning cloth, and installation keys. Operates on 1 x CR2032 battery (not included).