The Moultrie Feed Bin Deer Feeder easily straps to a tree or post and uses gravity to distribute feed, ensuring no batteries or power source is needed. Features6-gallon feeder holds up to 40 pounds of feedEconomically priced feeding optionStraps easily to a tree or postGravity fed, no batteries necessaryIdeal for feeding corn, protein pellets, rice bran, and moreDetents in plastic help keep lid secure