【Contents】Main unit (everything in the image is included) ■Product Features ・High-concentration negative ion/plasma generation with 24 discharge needles ・Powerful removal of formaldehyde, cigarette odor, PM2.5, mold, and bacteria ・Ideal for DIY integration into air purifiers, ventilation systems, car air purifiers, etc. ・Low power consumption for stable long-term operation ・Versatile use in toilets, kitchens, cars, etc., with deodorizing, sterilizing, and air purifying effects ■Notes ・High voltage (8-10KV) is generated, so never touch the discharge needles while the power is on. There is a risk of electric shock. ・Ozone may be generated, so please use in a well-ventilated environment. ・As this is a home storage item, please refrain from purchasing if you are sensitive. ・Shipping costs will be borne by the seller and will be sent via anonymous shipping (Mercari delivery). ・If you have any questions, please feel free to comment. Thank you for looking.