Wi-Fi Support: Free download of the “Pet Zero” mobile app provides feeding options to suit your cat or dog’s dietary needs, or via manual button operation. The Automatic Dog Food Dispenser is compatible with smartphones running iOS or above and Android or above. 6L Large Capacity and Transparent Bucket Design: The large transparent buckets (about 24 cups) can hold more food at a time. Automatic dog feeder with button, pet can’t easily open the lid to get food. A maximum of 15 meals per day, with 1-50 servings per meal. Sensor Alarm: With built-in sensors to detect pet food, the Pet Zero app will remind you to replenish the food by a message when the food is insufficient. Its automatic turning mechanism prevents food from getting clogged. Dual power supply: supports external power supply and battery power supply, can automatically switch to battery power supply when power fails. current (three D-type batteries, the battery is not included in the package),ultra-low power consumption.