Smart Cat Odor Purifier for Cat Litter Box Deodorizer Dog Air CleanerFeature 1. High efficiency: 2 kinds of sterilization modes, applicable area 15m, convenient operation, 1 key switch mode 2. The dual effect purification mode effectively decomposes the odorous substances produced in cat feces to produce non toxic and odorless substances. 24 hour intelligent monitoring of peculiar smell, bacteria and dust, sterilization and deodorization every 20 minutes, more efficient and smarter, Make sure that the litter box is