Two working modes: Sensing and timing modes work at the same time: one is that after the pet leaves the area, the air freshener will turn on the deodorizing mode; the other is that the cat air purifier will automatically work every 10 minutes to ensure 24 hours of fresh air. Purify the air: Eliminate odors in a small area, do not cover them. The smell may not disappear completely on the first day of use, but after 2-3 days, you will feel a significant difference. USB Charging Use: This air freshener has a built-in 2600mAh battery, low power consumption, long battery life, charging via a USB cable (included), and it can be used for 2-3 days after a full charge. Pet Friendly: The smart pet odor filter is equipped with a highly sensitive motion sensor, which can detect pet movements in a wide-angle range. 360° intelligent identification and automatic switching of the odor purifier to prevent cats from being scared. Easy to Use: The smart pet fragrance purifier intelligently recognizes,