Breathe Fresh Air: This ozone generator can release ozone, has a high sterilization rate of up to 99%, effectively kills bacteria in 20 minutes, removes bad smells, and keeps fruits and fresh vegetables, let you breathe clean and fresh air every day. Wide Application: Built-in 500mAh battery provides about 7 days working time after fully charged. Small size, you can put it in the cool compartment of refrigerator, closet, wardrobe, car interior, kitchen, bedroom, etc. 360 degree sterilization: ozone molecules are very small, have strong cell tissue penetrating effect, quickly penetrate tissue to kill pathogens, provide 360 degree sterilization, work great in the air, on the surface of the object, even inside the tissue . Two working modes: cycle mode: press and hold the power button to enter the cycle, breathe light and the device will work for 10 minutes - pause for 8 hours - work for 10 minutes ; single mode: in cycle mode, press the power button again, light always on, the device will work for 20 minutes and then automatically turn off. Attention: during the disinfection of the ozone, and within 30 minutes after ozone disinfection, people or animals should not stay in the room or space where the machine is placed. Otherwise, it may harm your health and your pet.