The FM350 Automatic Gate Opener is designed for swing gates weighing up to 550 lbs. or up to 16ft. long. This is an ideal gate opener for chain link, vinyl and tube gates in light wind environments. The 1-pc. design includes the control board and operator arm all in one unit, and it is very easy to install. This unit is solar compatible, which makes it ideal for rural environments. This opener requires an automotive or marine-style battery and weather-proof case (not included). Application: Swing gate opener