Allin Exporters Ultrasonic Humidifier 7 Color Led Light Auto Changing - Cool Mist Water Bottle Humidifier Allin Exporters Travel Ultrasonic Humidifier makes it convenient and easy to moisturize the dry air wherever you go. Our portable tabletop unit uses most individual water bottles to improve the air quality at home, in the office, or in your hotel room when traveling. This unit is backed by Allin Exporters Premium Quality Features Advanced Humidity Technology: Ultrasonic technology provides up to 12 hours* of continuous operation per water bottle (not included). Adjustable Mist Control: Mist output dial allows you to control the level of moisture in the room. Whisper Quiet Operation:Silent operation is quiet enough for a nursery or office. Automatic Shut-Off: Safety feature turns humidifier off automatically when water bottle (not included) is empty. *Run time may vary depending on water quality, room temperature and bottle size. What's in the Box: Ultrasonic water bottle humidifier Bottle base User manual Essential or Diffuser Oils are not recommended to use in Ultrasonic Humidifier as these are made of plastic that may react with Diffuser Oils (like Citrus oils) to diffuse harmful & reactive mist. If you're looking to have the power of humidification and aroma diffuser in one unit, try our range of 2-in-1 Ultrasonic Aroma Diffusers that are made of BPA-free plastic and are safe to use for enjoying the aroma and maintaining humidity in the interiors at the same time.