SpecificationMaterial: ABSColor: BlackBowl Diameter: 9cmSuitable for fish food: 0.5-3.5mm CONTROL PANEL1,2,3,4(meal keys) - for setting the meal times    HR/Day - used to set the hour time and feeding days  Min/Vol - used to set the minute time and feeding volume  Mode - Switch /toggle between clock and schedule display mode. Also used with START key to perform manual feeding  Start - Used with MEAL keys to turn ON or OFF the desired meal time Lock/Set - used to toggle between lock and set modes    LOW BATT - Blinking red light indicated that the batteries are running low and should be replaced Features※ Feeding fish 1~4 times a day※ Built-in digital clock and indicator※ Use two "AA" batteries, energy saving※ Programmable feeding for 1 to 99 days※ Improved button control panel and larger display※ Fit for powder, small granule, medium particles of fish food※ Compact size, mini shape, save much space for your home Package included1 X Automatic Fish Feeder (Battery not included)1 X Sticker1 X English Manual