1.Removing stubborn odors, the ozone produced by the ozone machine reacts with unpleasant odors by changing the molecular structure, removing rather than masking them. Unlike other types of air purifiers, the filter of the purifier does not eliminate odors.2.When the equipment starts to work, it continuously emits ozone, which is accompanied by a strong odor of ozone. Make sure there are no people, pets or plants around the machine when using it. Must operate in an unoccupied, enclosed space.3.Suitable for home, car, farm, kitchen, bathroom, basement and other small and mediumsized Spaces, can eliminate these Spaces because of smoking, cooking, garbage, pets and so on produced odor.4.The maximum output is 60,000 mg/h for areas up to 6,000 square feet. The life is up to 60,000 hours and no assembly process is required.5.Just turn the timing button, and the machine will stop working automatically when the timing ends. You can also select 'HOLD' to keep the machine working continuously. Please use it 23 times a week to keep the air fresh.