Used - Like New Precise Portion Control: F03 Pet Feeder has a smaller food rotor, 1 serving is 1/24 cup (about 5g), which can provide more precise control of the portion size. Up to 6 meals per day, with a maximum of 30 servings per meal. Slow Feed Mode: Petory automatic cat feeder incorporates a slow feed mode that dispenses food gradually. Long-lasting Storage: This feeder can store 12.6 cups food，the transparent food window allows you to monitor the food levels easily. Locking Mechanism Dual Power Supply: cable and battery operates to ensure feeder continues to function during power outages. Batteries + spare set included (×6 D)