Ergo Systems Automatic Pet Feeder LARGE (Dogs and Pigs over 40 lbs.) Automatic Pet Feeder is convenient and great for people with busy schedules, it will help reduce overall daily chores The Automatic Pet Feeder is a programmable pet feeder which can hold about 20 lbs of dry food Features a precision timing and dispensing with eletronic digital timer. Maximum feed size is (actual size) 7/8" diameter Model 2000GL Large 20lbs feeds 3 ozs per minute (minimum time setting is 1 second). Perfect for diabetic pets.