This FAAC S450H secondary arm includes Arctic Oil, making it a reliable extension to create a dual swing gate opener kit in freezing conditions. With 24 VDC hybrid technology and hydraulic drive, it's equipped to handle gates weighing up to 1100 pounds and measuring 14 feet. This battery backup swing gate opener is a great fit for a swing gate opener for residential driveway setups in northern climates. Designed for smooth integration with your primary S450H opener, it's part of a low voltage gate opener package built for performance and safety.