Automatic Air Purification：PETKIT pet odor deodorizer is designed with an infrared sensor which can accurately sense when a pet enters and exits the litter box. Then it will automatically release negative ions and deodorants to effectively solve the distress caused by bad smell and keep the air in your room clean

Proactive jet-airflow designed to remove odor: PETKIT litter box odor remover has two modes, both of which use the intelligent jet-airflow to remove odor. The Inductive Mode removes odor automatically when pets approach, and the intermittent mode runs automatically every six hours to continuously keep air fresh

Built-in compound plant filter：the natural ingredients filter extracted from plants and a quiet motor fan inside draw smelly air actively into the device for processing and neutralizing odor, building a fragrant and pleasant environment for you all day long

Fully refreshed air back into the atmosphere: The fan produces a minimal 20db of sound to ensure that your pets will not be disturbed. It also attracts dust and ash to remove these from the air ensuring that the environment is clean and healthy

LED Light Indicator and Power Saving：Easy to check the working status of this pet litter and urine remover and when to replace the filter and batteries. It requires 3xAAA batteries (included in the box) to bring continuous and long-lasting fragrance into your room for at least 90 days