Two working modes: detection and timing modes work at the same time: one is that after the pet leaves the area, the deodorizer activates the deodorization mode; the other is that the Cat Air Purifier automatically operates every 20 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. Using USB charging: This air freshener has a built-in 2600mAh battery , low power consumption, long battery life, charging via USB cable (included), and it can be used for 8 days after fully charged. Suitable for pets pet: The smart pet odor filter is equipped with a highly sensitive motion sensor, which can detect pets' movements in a wide-angle range. 360 intelligent identification and automatic switching of the scent purifier to prevent cats from being afraid. Easy to use: the smart scent purifier for pets intelligently recognizes, purifies the air and operates at low noise. Suitable for litter box, cat litter, dog litter, pet toilet surroundings, etc. Functionality Smart Recognition < p>Keep the air fresh Quiet operation, no noise Product color: white Product quantity: 1 Product size: 9.7 x 9.7 x 3.7cm. Battery capacity2600mAh Charging method: USB5V Accessories: air freshener, charging cable, manual