PHtronics 3L Ultrasonic Cool Mist Humidifier with Whisper-quiet Operation, Automatic Shut-off, double nozzle (Light Wood) Ultrasonic Humidifier and essential oil diffuser, Very calm and quite personal humidifier, Perfect cool mist bedroom humidifier This humidifier comes with high quality fan control, give you a soft and healthy mist. Easily adjust the vapor flow with the control knob, Humidifier water tank capacity: 3 Liters. Automatic Shut-off: Automatically shuts-off the humidifier when water is getting low & the LED power indicator will change from green to red. Double nozzle can adjust 360. Adjust it to your comfortable direction. Aroma Diffuser: Enjoy your favorite oil and water based aroma while humidifying the air.