No matter where you go, the MistAire Travel Ultrasonic Humidifier from Pure Enrichment makes it easy to moisturize the dry air in your personal space. The portable tabletop humidifier is compact enough to fit inside your carry-on luggage for quick set up in your hotel room when traveling. It also mists quietly for up to 6 hours on a single 16.9 oz water bottle, making it perfect to use in a small nursery or office. Note: MistAire Travel features a soft blue mood light. Most users find the light to be relaxing and useful for overnight operation. However, if youre sensitive to light while sleeping, please note the light cannot be turned off. Whats In the Box -Mini Ultrasonic Humidifier -AC Adapter -Bottle Base -Cleaning Brush -Storage Bag Product Specifications Size: 5.6 x (L) x 3 (W) x 3.5 (H) Power Supply: AC: 100V-240V, 50/60Hz DC: 24V Max Room Coverage: 160 sq. ft. Max Run Time: Up to 6 hours per bottle* Recommended Bottle Tank Volume: 16.9 oz. (.5 Liters) Not Included Avg. Moisture Output: 2.7 oz. per hour *Run time may vary depending on water quality, room temperature and bottle size.