AIRCARE Aurora Ultrasonic Cool Mist Humidifier, Whisper-Quiet between 8-24 hours, Seven Color LED Night Light, Essential Oil Tray and Automatic Shut-Off for Baby, Nursery or Bedroom (White, 1 gal) The AURORA includes the same great features as the AURORAmini - it's just bigger. And bigger means more - more mist output, more coverage area, and a longer run time for more time between refills. The AURORA humidifies up to 750 square feet with the ultrasonic's signature ultra-fine mist. It includes a demineralization cartridge to help keep your water cleaner. Features 1-Gallon water capacity - up to 2-gallon daily output Up to 750 sq. Feet coverage - ultra quiet operation Comes with a demineralization cartridge Features a seven color LED night light that can be set to cycle through all colors or set to your favorite color Aroma diffuser tray for your favorite oil or water based aroma USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.