Mini shape, space-saving for your aquarium. Works with dry loose flakes or pellets. * Patented design for moistureproofing, mixing, and crumbling food. Up to four times setting in one day. * No jam, no clog and no fuss. Programmable food volumes and feeding times. * Can fill the container with food without disassembling the automatic feeder. * By adujusting the slider, you may increase or decrease the amount of food dispensed per rotation.