Boss Buck 12v Deer Feeder Kit. Our large 12 volt system comes with a high torque motor and the swing door slinger. Comes complete with four self tapping screws to mount to the bottom of either a metal or plastic drum. Uses a 12 volt rechargeable battery (not included) and has knock outs to mount a solar panel. Choose low medium or high RPM. Timer holder allows the timer to timer to stand upright. Timer will slide out of the holder to the right if needed.