Bluesky Compact Air Purifier with Multi-Layered Purification, Compact Design, Color-Coded Display, Auto Mode, Dust Sensor, and Sleep Mode. The multi-layered high efficiency purification system reduces harmful gases and captures up to 99.97% of particles like pollen and ultrafine dust. Great for smaller spaces up to 260 sq. ft. Check the level of air pollution quickly and easily through the color-coded display. Auto mode senses impurities, such as pollen and dust, by continually analyzing the indoor air quality, and automatically adjusting the fan speed as needed. Sleep Mode provides a more subtle option for while you sleep; With quieter air flow and reduced lighting, this mode offers fewer disturbances during the night. Dust Sensor. Filter Change Alarm. Child Lock. Wi-Fi Connectivity. Energy Star Certified. Product Type: Air Purifier. Color: Gray. Wifi: Yes. Child Lock: Yes. Number of Fan Speeds: 3. Number of Cleaning Stages: 3. Room Coverage: 260 Sq. Ft. Energy Star Certified: Yes. High: 49.6 dBA. Medium: 41.4 dBA. Low: 29 dBA. Sleep Mode: 18 dBA. Voltage (V): 120 V. Power Consumption: 41W. Parts and Labor: 1 year. Height: 19 3/5". Product Weight: 15.2 lbs. Shipping Width: 15 1/5". Shipping Weight: 17.6 lbs.