Fingerprint-like marks are visible on the surface. Brand: KAMEN 【Professional Ozone Generator】The ozone deodorizer uses high-quality industrial-grade stainless steel material, with a smooth surface and excellent oxidation and corrosion resistance. It is wear-resistant, high-strength, and has a long lifespan. It is lightweight and easy to carry, with excellent stability. During use, you can lift it lightly, place it gently, loosen the screws, and then tighten them to use. 【Multi-purpose】Quiet and environmentally friendly. It can remove fine particles such as PM2.5 and pollen. The low-noise design is kept below 20db, so you won't notice any noise even when it's working. It can be used as an ozone generator air purifier, ozone generator for home use, small car ozone generator, and toilet deodorizer, etc. 【Excellent Deodorization】It can deodorize various odors such as toilet odors, sweat/body odors, food odors, garbage odors, sewage odors, tobacco odors, and mold odors. It also has a certain effect on the removal of formaldehyde. Note: This machine can only work continuously for 60 minutes at a time. If you want to use it further, cool it down for 30-60 minutes before turning it on. Otherwise, the ozone module will burn out. 【Small and Lightweight Design】The size is 20cm x 15cm x 18cm. Furthermore, the weight is 2kg, which is effortless and easy to carry. It makes it more convenient to use in small spaces such as cars, warehouses, lofts, closets, and pet rooms. 【Energy Saving】While demonstrating excellent deodorizing effects, it also considers energy saving. While having powerful deodorizing power, it also considers saving electricity. Voltage: AC 100V Power consumption: 300W. Japanese standard plug. ※Caution: When using the ozone generator, do not stay in a closed space. If the ozone becomes less noticeable after using the purchased product for a certain period, disassemble it and remove the dust from the surface of the ceramic sheet, and wipe the ceramic sheet with alcohol. In a dusty environment, dust will interfere with the discharge.