Feeder has programmable days (1-99 days), portion sizes (1/4 cup to 2.5 cups) and feeding (1 to 4 times daily). Smart Sensor prevents overloading of feeding tray. Unique anti-clogging feature for food hopper and pet-proof lock on lid for greater security. Record a 6 second personal message for your pet to play your voice when the feeding time coming! Alarm sounds when feeding schedule expires. Also includes a built-in microphone, speaker and low battery indicator.