This gate operator is designed for overhead type vehicular gates mounted on jamb track or jamb type hardware. Overhead gates are typically used in underground parking applications where headroom is minimal. The low profile design and quiet operation of the 1150 makes it ideal for these applications. Direct driven limit nuts. Gate tracker reporting output. Ports for plug-in loop detectors. Fail-secure, keyed quick release. Shock mounts. Heavy-duty 3-inch rails. Programming switches. Built-in power On/Off switch.