With the Levoit Smart True HEPA air purifier, you breathe in clean air with every breath. Connect it to the free VeSync app for convenient smart features, and set up voice control to refresh your space without leaving your seat. Smart controls: Control your air purifier, create schedules and timers, and enable voice control with Amazon Alexa or Google Assistant™ via the VeSync app.3-level H13 True HEPA filtering: Captures smoke, odors, volatile organic compounds (VOCs), and at least 99.97% of airborne particles as small as 0.3 microns, such as fine dust, pollen, and pet dander. High Performance:Ideal room size of 20 m2 with patented VortexAir™ technology.Ultra-quiet:Patented QuietKEAP™ technology reduces noise levels up to 24 dB. Smart controlsQuietKEAP™ technologyVortexAir™ technologyOzone-free1-24-hour timerFilter check indicator3-stage filtrationSleep mode Voltage: AC 120V, 60HzRated power: 26WEfective range: 219 ft2 / 20 m2Dimensions: 8.7 x 8.7 x 14.2 inches / 22 x 22 x 36 cmWeight: 2.7 kg / 5.95 lbOperating Conditions Temperature: 14°-104°F / -10°-40°C Humidity: Noise Level: 24-48dBCADR: 141 CFM / 240 m³/hStandby Power: < 2W What's in the Box:1 x Smart Air Purifier Core 300S1 x True HEPA 3-Stage Original Filter (Pre-Installed)1 x User Manual1 x Quick Start Guide