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 works automatically 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 notice a significant difference. low power consumption, long battery life , charging via USB cable (included) and it can be used for 2-3 days after fully charged. Suitable for pets: The smart pet odor filter is equipped with ‘a highly sensitive motion sensor, which can detect animal 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