IMPORTANT: If you running the ozone model, You need waiting at least one hour to back that room. When you runing the ozone model, any of your fammliy member can not stay in the room (include your pet)!!! [2020 LATEST POWERFUL DESIGN] Deodorization, disinfection, air cleaning, and multi-function are integrated into one unit!!! Despite the palm-size, it is a powerful deodorizer that can deodorize up to 377sq ft. In addition, it has a function as an air purifier that collects dust and pollen in the air. Not only ozone deodorization(100mg/h) but also negative ions(500W/cm) are generated, you can feel refreshed as if you are in a forest bath. [AIR TREATMENT & ODOR REMOVAL] The strong oxidizing power of ozone exerts its power in sterilization and deodorization. Unlike fragrances, they do not temporarily trap bad odors but oxidize and decompose bad odor molecules. The raw material is O3, so there is no persistence. Safe, secure and eco-friendly! Various odors such as toilet odor, sweat/body odor, food odor, garbage odor, sewage odor, cigarette odor, and mold odor can be removed. It has a certain effect on removing formaldehyde. [SIMPLE OPERATION MODE] HUIBEST ozone generator has an ozone mode and a negative ion mode. Four levels can be adjusted in the ozone mode. Each is labeled P1, P2, P3, P4. These four modes can support different spaces. P1 works 5 minutes, standby 60 minutes; P2 works 3 minutes, standby 10 minutes; P3 works 30 minutes, standby 12 hours; P4 work 30 minutes, standby 2 hours; each mode repeats in this way. Negative ion mode repeats for 50 minutes of work and 10 minutes of standby. [ULTRA QUITE TECHNOLOGY & USABLE WIDELY] HUIBEST O3 ozone generator adopts high-quality ABS, which is simple and easy to use. USB power supply supported. The deodorizer is very quiet during operation and without any interference with sleep. Suitable for toilets, homes, indoors, pet rooms, offices, hotels, kitchens, restaurants, food processing factories, medical care, hospitals, etc. Also comes with a 3M sticker. Easily put anywhere! Warm Tips:No Entry When Ozone Generator in Progress!!! [ENERGY SAVING & LOW CONSUMPTION&FREE-WORRY WARRANTY] Ultra-low consumption and energy saving. Only 6W that 1 hours operating costs approximately 0.0006 KWH. What You can get? 1* Portable Ozone Generator,1*Power adapter, 1* USB cable,1* Operating manual,1*Packing Box,1*3M sticker.