Summary 3-Stage Filtration: The Fine Preliminary Filter, H13 True HEPA Filter, and Activated Carbon Filter capture particles and unpleasant odors so your air is fresh and clean. Aromatherapy: Customize your space by freshening the air with your favorite essential oils. Sleep Mode: Rest undisturbed with noise levels as low as 24dB. Compact Design: With its sleek and compact design, this air purifier is a tasteful addition to any desktop or table. Features H13 True HEPA Filtration Sleep Mode Customizable Fragrance Compact Design Quiet Operation 3 Fan Speeds Specifications Voltage: AC 120V, 60Hz Rated Power: 6W Effective Range: ≤ 161 ft² / 15 m² Dimensions: 6.7 x 6.7 x 10.4 in / 17 x 17 x 26.5 cm Weight: 3.3 lb / 1.5 kg Operating Conditions Temperature: 14°–104°F / -10°–40°C Humidity: < 85% RH Noise Level: 24–36dB CADR: 41 CFM Standby Power: < 0.5W What's in the Box 1 x Desktop True HEPA Air Purifier 2 x True HEPA Combination Filters (Pre-Installed) 1 x Aroma Pad 1 x AC Power Adapter 1 x User Manual Note For an undisturbed night, this air purifier is designed to turn off the button light in 3-5 seconds when it is on sleep mode. The first fan speed level of the LV-H128 is the sleep mode, so the button light will be off quickly when customers tap the power button once. Additionally, the air purifier is too quiet on sleep mode. Different from other models of our air purifiers, the filter light of the LV-H128 can only be reset by pressing and holding the power button for 3-5 seconds when the machine is off (but make sure it's plugged in the socket).