Double sided feeding draws more birds to yard. Adjustable weight settings to select the birds you want to feed. Spring operated perch drops and automatically shuts off access to seed. Holds over 9 pounds (1 1/2 gallons) of seed. Front seed level indicator window. Seed saver baffle reduces wasted seed. Exclusive top-loc feature holds top open when filling. Dimensions are 13.5 X 16 X 11.25 UPC Code = 047977003979