PETKIT AIR Purifier Smart Spray Odor Remover, Pet Odor Eliminator Deodorizer for Home Cat Litter Box with Smart Light, App ControlThe PETKIT Air Purifier smart spray is with large area deodorization, fits for cat litter box, pet beds, pet tents, etc. Remove Odor Effectively: Remove odor automaticall after self cleaning or scheduled via App(Bluetooth Connected). Liquid Insufficient Reminder: App will remind you to change the odor removal liquid in time. Smart Lighting System: Turn on off the light via App and check the litter box in dark. Detachable and Easy to operate: Equipped