DKS DoorKing 1601-313 Arm Alum 6 ft Lighted Inner is part of the Door King 1601 Barrier Gate Operator, which is designed for single-lane vehicular traffic control in commercial and industrial applications. The 1601 can control lanes up to 16 ft. wide and has a 2.5 second rotation opening time. It can be mounted on either the left or right-hand side of the roadway, and has magnetic limit control, ports for plug-in loop detectors, and automatic sequencing inputs.