Nortek Mighty Mule Steel Single Swinging Automatic Gate Opener 300 lbs. Capacity, 318 MHz 12VNortek Mighty Mule introduces this automatic gate opener that provides additional convenience and security. Designed for a light duty single swing gate up to a maximum of 12 ft long or maximum weight of 300 lbs. This automatic swing gate opener includes a 12 Volt automotive or marine type battery that produces a minimum of 250 cold cranking amps (CCA). Solar capable, this gate operator comes with the addition of a Mighty Mule 10 watt solar panel. The