✅Anti-Clogging Design:Double rotor design ensure equal portions of grain, food passage is designed with a wide angle and 40-degree slope to increase the sliding speed of grain and a large-diameter food bowl with the same width as the automatic dog feeders prevents the grain from accumulating in the grain outlet ✅Timer Programmable:Automatic cat feeders can dispense food exactly at the time you set, ensuring there is no delay or advance. There are a total of 6 meals daily and up to 20 portions per meal to choose from, you can customize the feeding frequency according to your pet's eating habits. Note： The time the machine will stop during the setting process. It is recommended that you check the time after completing the setting, in case the time setting is slower than you expect. ✅Dual Power Mode:Our automatic pet feeders is powered by a power adapter and 3 D-size batteries(not included), which ensures that your pets get fed even in a power outage. Recommended using both the battery and adapter in case any of the power is cut off.