USB ChargingCat Litter Deodorizer has a built-in 3000mAh high capacity battery, which can work for over a week when fully charged. If you clean the litter box weekly, take it out and load it. When the red light is on, it needs to be charged. Multi-PurposeCat Litter Deodorizer is specially designed for various small spaces that often produce peculiar odors, such as household trash cans or for pets, cabinets, closets, shoeboxes, toilets and other animals. Choose our smart deodorants and place them in or near the scented area to create a fresh home for you or your pet. Smart DesignCat Litter Deodorizer is equipped with a High sensitivity motion sensor, able to detect pets motion in wide angle range. Activate do not disturb mode when the pet goes to the toilet and activate disinfection mode when the pet leaves the bathroom for real-time monitoring. The operation is more efficient, with automatic disinfection every 20 minutes. Environmental DeodorizationCat Litter Deodorizer is equipped with a deodorizing generator, which converts the peculiar smell of the air oxygen and water to achieve the deodorizing effect. All of these reactions are environmentally friendly, produce no harmful gases, and the overall deodorization rate can reach more than 90%. Safe and EffectiveCat Litter Deodorizer uses pure technology natural, does not use herbal flavorings or deodorants to produce deodorizing effects, will not harm you or your pets, and provides safe and effective protection.