30db ultra-low noise, enjoy a quiet and mosquito-free environment, suitable for an area of 20-60 square meters. Removable structure design, easy to clean and wipe with a dry cloth. Specification: material: plastic Rated power: 8W Rated voltage: 5V Rated frequency: 50HZ Size: about 13x13 cm NOTES: Due to the difference in lighting and screen settings, the color of this item may be slightly different from the picture. Due to different manual measurement methods, please allow a slight size difference. This item is in the category "Business & Industrial\Electrical Equipment & Supplies\Other Electrical Equipment & Supplies".The seller is "superiorsell2014" and is located in this country: CN. This item can be shipped worldwide.