The Sparoom Guardian Air Essential Oil Diffuser is an advanced misting diffuser that uses the power of essential oils to fill your home with fragrant humidification. The mist intensity adjuster allows you to customize the aroma to your preference, while a rotating color light mode adds a gentle ambiance. With a cETLus certified AC adapter included for power, this diffuser runs up to 20 hours continuously with automatic safety shut off and mist shut-off timer settings of 1, 3, or 6 hours. Its large room size ensures great coverage and the BPA-free design makes it completely safe to use. Enjoy pleasant scents in large rooms with the Sparoom Guardian Air Essential Oil Diffuser.