INSTANT DRY AIR RELIEF: Ultrasonic cool mist technology safely and quickly moisturizes dry air for up to 25 hours of continuous operation in medium to large rooms up to 250 square feet. YEAR-ROUND COMFORT: High and low-speed settings combined with a 360° mist nozzle help you consistently balance and regulate the humidity in your home all year long for relief from congestion, coughs, cold-like symptoms, allergies, dry skin, and sinus issues. ENCOURAGE RESTFUL SLEEP: Easily run the humidifier overnight to maintain a healthy humidity level in your space. The optional night light offers a soothing glow while the whisper-quiet operation ensures you can sleep peacefully without any disturbance. EASY-FILL TANK & AUTO SHUT-OFF: The automatic shut-off feature turns the humidifier off when the water level is low or the tank is removed. Packing list: 1.5L humidifier