Two working modes: induction and timing modes work simultaneously: one is that after the pet leaves the area, the deodorizer starts the deodorizing mode; the other is that the cat air purifier automatically runs every 20 minutes to ensure 24-hour fresh air. Purify the air: eliminate odors in a small area, do not cover. The smell may not disappear completely on the first day of use, but you will notice a noticeable difference after 2-3 days. Rechargeable using USB: This air freshener has a built-in 2600mAh battery with low power consumption and long battery life. It is charged via USB cable (included) and can be used for 8 days after being fully charged. Suitable for Pets: The smart pet odor filter is equipped with a highly sensitive motion sensor that can detect your pet's movement in the environment. Wide angle range. 360-degree intelligent recognition and automatic switching of odor purifiers to prevent cats from being scared. Easy to use: The smart pet odor purifier intelligently identifies, purifies the air, and operates with low noise. Suitable for cat litter box, dog litter, pet toilet environment, etc. Features Intelligent identification to keep the air fresh and quiet operation, no noise Product color: white> Product quantity: 1 Product size: 9.7 x 9.7 x 3.7cm. Battery capacity 2600mAh Charging method: USB5V Accessories: air freshener, charging cable, manual