The Airmaster Air Purifier has a H13 True HEPA Filter with status indicator. A 4 colour LED display shows air status and quality. It replaces air in the room 3 times per hour. 3 modes (Auto, Turbo and Silent). The silent mode with light off function allows for quieter unobtrusive running. Suitable for rooms 20-27m². Specifications: Input Voltage: 220-240V (50Hz).Output Rating: 22W.Dimensions: 240 x 382mm.Cable Length: 1.8m.Weight: 2.8kg. Ref: UTTK678