Features: Air Quality Monitoring Air Quality Sensor Display Fan Speed Indicator Dual Mode Operation Automatic Filter Replacement Indicator Time Management Control Dust Precipitator Function Indicator Specifications: Air purification capacity in rooms: up to 600 sq ft superHEPA Efficiency: 99.97 percent of 0.3 micron particles Fan speeds 3 Speeds: Noise level Quite operation, Aprox 46 dB on High, Low Speed - 22.54 db, Med Speed- 32.2 db, High Speed- 46 db Certifications ISO, CE, UL Power consumption: 39 watts - 69 watts Airflow: HIGH- 200CFM, MED 158CFM, LOW 115CFM Compact Sharp Design: 17.8" x 8.4" x 12" Shipping weight: 10.3 lbs Wireless Remote Control: YES Multi-Function Digital Display: YES Negative Ions Output: 3.5 million/cubic cm with ON/OFF option Warranty: 2 years