Apollo 1550 Residential Swing Gate Opener The Apollo 1550 swing gate operator with the single/dual advanced 1050 circuit board. Solar compatible: optional 12 V battery (required) can be charged by either solar or AC power. The ideal solution for special applications: can be used in push to open or pull to open mode, increasing the flexibility of having the actuator inside or outside the gate, regardless of hinge left or right or direction of gate swing. The direct drive system attaches directly to the gate. Quality and durability to corrosion thanks to the housing, weather resistant NEMA 3R. Powder coated black.The actuator has rust proof linear acme screw drive and self-lubricating gears. Supplied with 8 ft. of cable.