The Pro Mister is a 3 in 1 high-capacity aromatherapy diffuser and humidifier. So easy to use just lift the lid fill it with water, add up to 30 drops of essential oil, and this ultra quite unit is ready to go for up to 22 hrs. Why You'll Love It: • The antimicrobial water tank is easy to clean. • All the features you could want – o low/high output o 2,4, 8 timer settings o auto shut off. • Built in night-light. Covers us to 700 square feet. • Great for allergies, cold season (add Eucalyptus Oil) or to just make your house smell clean. Capacity: 2.2L Color: White Mist Modes: High / Low / Sleep Mode / Auto Shut Off Light Modes: Bright White / Soft White / Off Run Time: 2H, 4H, 8H / Continuous (Up to 22 hours) Coverage: Up to 800 sq. ft. Power: 100-240V Size: 7” x 11”