The Boss Buck 12V Auto Feeder Conversion Kit comes with a high torque motor and the swing door slinger. The Auto Feeder Conversion Kit uses a 12 volt rechargeable battery and has knock outs for the Boss Buck box mount solar panel or a traditional barrel mounted solar panel. Heavy duty steel mounting plate and 1/4 in. -20 thumbolts quickly attach and detach from the Boss Buck non-Typical 350, 600 or 1200 series feeders. This design allows for the solar panel to be positioned even after the feeder has been filled. Simply rotate the Conversion Kit to the position receiving the most ambient sunlight each day for optimal results. Timer holder allows the timer to stand upright. Simple set digital timer allows proper feeding everyday Big 12V automotive blower motor Adjustable mounting brackets for customization Steel control box with timer holder Steel mounting plate and conversion funnel Heavy duty 5 in. steel swing door slinger proves this conversions kit with a sturdy and durable design Feed flow and distance control helps prevent overfeeding Auto Feeder Conversion Kit converts BB gravity feeders into automatic corn feeders Auto Feeder Conversion Kit converts BB gravity lower units and drop tubes into automatic feeders