Features: Brand new and high quality With sterilizations function, it can effectively reduce bacteria, viruses and harmful substances in the air and improve the level of pet environment. Equipped with intelligent control panel, you can choose different working modes and time switches machine according to your needs, which is convenient for operation and saves energy. Multi-layer filtration system, including pre-filter, activatedcarbon filter and HEPAfilter, can completely filter particulate matter and odor in the air and achieve comprehensive purification effect. Adopt low-noise motor and optimize air duct designed to ensure quiet and comfortable operation, and will not interfere with the rest of families or pets. Small and light in appearance, easy to carry and place, suitable for all kinds of pet space, such as cat nests, dog kennels, bird cages, etc. Specifications: Material:Plastic Working environment: temperature -10℃-45℃ Humidity: 25%-60RH Power: 0.5W Concentration: ≥20PPM Air flows of air purifier: 50 cubicmeters/hour Power supply mode: USB Control mode: touch Applicable area: 11㎡ -20㎡ Size:Approx.85x22mm/3.34x0.86inch Package Includes: 1x Mini Ozones Machine note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.