The self-cleaning box automatically sorts and collects waste after the cat leaves and transfers it to the lower collection drawer. The cleaning time and duration can be controlled. Smart control often supports Wi-Fi connection and control via the phone app to monitor the cat's weight, number of uses, as well as cleaning, odor removal, or complete emptying. Equipped with motion and weight sensors that stop rotating immediately when the cat approaches or enters to protect it. Contains systems or filters to reduce the spread of odors. Gives an alert when the lower disposal box is full to change the bag. From personal experience, it is very useful and convenient, especially for enclosed spaces, and requires no effort for cleaning, only every three or four days depending on the number of cats. Reason for selling: due to the presence of other devices. There are no defects or malfunctions.