Item Type: Air Cleaner_x000D_ Size: Approx. 33 x 10.5 x 6cm / 13 x 4.1 x 2.4in_x000D_ Voltage: 110-240 v_x000D_ Power: 1.8W_x000D_ Frequency: 50-60Hz_x000D_ Scope of Application: 30-40_x000D_ 15 million ultra-high concentration negative ion purification 1Clean and sanitize your air dust, pollen, pet dander, smoke, and household odors. 2Continuous flow of harmless negative ions traps dust, pet hair, and other large particles while extending the life of the filter. 3Air filter helps to reduce unwanted odors from pets, smoke, cooking fumes, and more. 4Suitable for long ? term use in the furniture for regular air pollutant removal.Also perfect for office ,hotel, hospital and so on. 5Contaminants releasing clean, assure healthy air into the environment The permanent filter is easy to clean.1 xAir Cleaner 1 x User Manual 1. Please allow 0?2 cm error due to manual measurement. Thanks for your understanding._x000D_ _x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.