Equipped with a 48-hour timer and two large food bowls, each capable of holding up to 14 oz. of food, the With Ice Pack Automatic Pet Feeder is designed for easy use. An ice pack keeps food inside fresh, while an optional lid-link clip opens both lids for simultaneous feeding of two cats. Requires 1 *AA battery (not included) for up to 12 months of operation. Plus, its lids and bowls are removable and dishwasher-proof, making it simple to clean. Additionally, the feeder is tamper-resistant to pets and fly-proof.