It is a plug-and-play and one-touch-on air purifier that is easy to operate and power-saving for smart running. Featuring 20 million negative ions, this air purifier eliminates odors and improves air quality in high-efficiency. This air purifier is made of plastic and electronic component material. The length is 10cm, the width is 5cm and the height is 3.5cm. This air purifier is suitable for home and office. Item Name: Air Purifier Material: Plastic, Electronic Component Features: 20 Million Negative Ions, Stable Release, Plug And Play Socket Type: US Plug Noise: Below 36dB Air Volume : 50 Cubic Meters/Hour Size Details: L: 10cm, W: 5cm, H: 3.5cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Air Purifier