Smart Cat Litter Box Cat Litter Box Wide Opening W1264P284591Smart Cat Litter Box Wide Opening Design fit for many sizes of cats no matter it is small or bigger size also available , if the cats can jump inside Automatic Sefl Cleaning what you have to do is just replace the litter bag for 5 8 days which depends on cat littering time, released your hands Wifi Support and App 2. 4G and 5G available Machine can be conneted with Tuya App when use same rate of wifi, mobile phone wifi with App wifi have to be 2. 4G.