Style: Wi-Fi version Simple and fast mobile phone control version mobile app settings Food recording and shouting, synchronization and quantitative feeding, cell phone control, additional meals in real time When power supply and battery power, external power is given priority, external power supply adopts USB-5V power supply, even if the animal bites by mistake, it will not get electric shock or accidental injury. Wide angle food bowl: eat comfortably without obstructing food outlet Pet food suggestion: choose non-sticky dry food, round and oval cat food with a diameter of 0.5 to 1.2 cm. Capacity: 6L, suitable for small and medium-sized dogs and cats under 15 kg