Apollo 1550 Single Swing Gate Operator includes 835/836 circuit board, 816E actuator EBS 8 ft. cord Recommended for gates up to 16 feet in length and 600 lbs. each Can be used in push to open or pull to open applications. Direct drive system attaches directly to the gate. Actuator: Rust Proof linear, acme screw drive; self-lubricating gears. Recommended for Residential, Farm and Ranch, and Light Commercial applications.