Mighty Mule® MM360 Automatic Medium Duty Single Gate Opener Kit, 16'Works on all gate types like ornamental, wood, chain link, tube and panel. Designed for a single gates weighing up to a max. 550 lbs or max. length of 16 ft. Open your gate from the convenience and security of your vehicle with the press of the remote button. Battery continually charged by AC transformer (included), or with optional solar panel charger kit. Easy to install, detailed manual and DVD included. Features Mighty Mule's exclusive Dual Sense