1.With recording clip, data recording is convenient 2. Closed feed opening, reduce rats and flies, etc., and steal contaminated feed 3. Enlarge the blanking opening to prevent blocking and caking 4. Visualized barrel, accurate quantitative 5. The feeding port can be used to add medicine for individual livestock 6. The switch is convenient. The pull rope can be used to control the feed opening switch. The automatic feeding system is composed of a timing device, which is convenient and fast.