Humidification inside the car, fresh air; office humidification, full of spirit; study room humidification, refreshing. Intelligent power-off protection, after-hours of operation, can be resumed after being turned on again. Environmentally friendly ABS skin-friendly material, breathing light design, night time use, water level is more obvious. Continuous spray time: about 10 hours. Intermittent spray time: about 20 hours.