doTERRA Dawn Aroma Humidifier/diffuser.

- Water capacity: 1.8 L / 0.48 gal

- Suggested room size: 270 sq ft / 25 sq m

- Continuous operation: high mist—up to 7 hours, medium mist—up to 12 hours, low mist—up to 22 hours

- Automatic adjustment in sleep mode to maintain comfortable humidity levels

- You can add essential oils to this humidifier