The ?original? trough feeder...The Lamco Timed Trough Feeder is the ?original? trough feeder designed to effectively feed deer in a manner that saves feed and maintains a healthy, clean feeding station. With 21 feet of trough space there is plenty of room for multiple animals.The Lamco Timed Trough Feeder totally encloses the motor unit in order to keep moisture away from the feed, enabling the feed to flow easily and not clog the opening or spinner plate.You preset the time and amount of food to be fed. There is little or no feed left in the troughs to be wasted to moisture or varmints. There is no build-up of stale feed in the troughs in which parasites can become a problem.The Lamco Timed Trough Feeder allows for great flexibility in regulating the amount of feed that is fed each day. You can go from essentially free choice feeding, which is critical during the antler growing period, to delivering a very small amount of feed just to keep wildlife coming to the area.