Make added comfort part of your nighttime routine or workday with Levoit's smart ultrasonic humidifier. It offers cool or warm mist， aromatherapy and quiet operations that won't disturb your sleep or your workday. Choose cool or warm mist at three mist levels Sleep mode with near-silent operations automatically adjusts levels Aroma box lets you add your favorite essential oils; three aroma pads and three absorption pads included Built-in sensor gauges humidity levels and automatically makes adjustments Perfect for bedrooms， offices， and nurseries， the humidifier is highly efficient with an effective range of 430�C753 sq ft. 1.58-gallon tank runs up to 50 hours per fill For hands-free control， download the free VeSync app to connect to a third-party voice assistant or to adjust settings from your phone. Approx. dimensions: 11.6"L x 7.7"W x 7.3"H WARNING: Do not use any power adapter， charger or cords other than those included with your product. Using incompatible， counterfeit or non-certified accessories can cause fire or accidents. Contact the manufacturer for replacements. Manufacturer's 2-year warranty Plastic Wipe clean Imported Request warranty information