About this product 270ml capacity, easy to carry Liquid water is atomized into micron-sized water particles through ultrasonic vibration. 270ml capacity, fine spray, increase air humidity. It is a good companion for air-conditioned room. And easy to carry to the office or home. Two Spray Modes Our cool mist humidifier contains two spray modes: continuous mist and continuous mist. Spray intermittently. Press the atomization button first to start the continuous atomization mode; press the spray button again to switch to the intermittent mode. With LED colorful night light: three LED light modes, long press for 3 seconds to switch the marquee atmosphere light at will, colorful rotation, fixed color USB power supply/automatic shutdown when there is no water, USB power supply cool spray humidifier adapter. When the water runs out, the humidifier will automatically shut off, no need to worry about causing danger to your family or damaging the device itself, much safer than ordinary humidifiers.