There are 2 color for you to choose, Black and Dark grey. And there are 2 modes, you can click power button to change the mode. Mode 1 is continuous humidification, mode 2 is intermittent humidification.
The Car Humidifier will automatically stop working when the water volume is too low.
Mode 1 can use 10 hours.
Mode 2 can use 16 hours.
Amount of fog: 45ml/h