The DH Lifelabs Aaira + HEPA Air Purifier is designed to clean, deodorize and hydrate the air around it using a Hydrochlorous Acid (HOCI) solution made up of non-iodized salt, water and electrolysis. It swiftly eradicates 99.9% of airborne bacteria and viruses found within the air, including such particles as pet dander, pollen, smoke, dust, allergens and odours. It uses a 3-stage filtration system consisting of a pre-filter, a HEPA filter and an activated carbon filter to eliminate particles as small as 0.1 microns for the purest air possible. This Air Purifier can be controlled wirelessly vie the DH Lifelabs app, allowing you to turn it on and set your preferences ready for when you get home, go to bed, wake up, or get to work, depending on where you place it. Due to its larger size, this air purifier can be freestanding on the corner, or it can be placed on a chest of drawers or side table for elevation.Dimensions: 89.3 (H) x 34.7 (W) x 34.7 (D) cm. 4 Fan Speeds - Sleep, 1, 2 and 3. 2 hour, 4 hour and 8 hour timer. Air quality sensor: Blue - Good, Yellow - Moderate, Red - Poor. Operates at Power Consumption: 80 Watts. Weight: 9.7kg (without water).