Colorful Night Light Mode7 multi-color LEDs with two brightness settings are built into the device to create cool and relaxing moods in your room. You can choose between two modes: fixed color (color remains the same throughout use) or automatic change mode (colors vary throughout use). One-Button ControlPortable USB humidifier is very easy to operate. One button controls all functions, you just need to press the power button every 1 second to control the fog. Keep pressing the power button for 3 seconds to activate the nightlight and colored light function. Quiet Operation Thanks to its ultrasonic technology, the humidification is done discreetly (30dB) in a fine and cold mist . You can leave it on when you sleep or work and you hardly feel it. Safety with Auto Shut-offThe personal baby humidifier will automatically turn off at the specified time (4 or 8 o'clock ). Or when the water runs out, it will also be an automatic shutdown. Besides, it is small, light and easy to carry, suitable for different occasions: bedroom, office, car, office, yoga room, travel and hotel. It can protect your skin, purify the air and keep you healthy. Perfect GiftsAn elegant decorative piece. perfect for men and women at home and offices. It's a good choice to use this lovely humidor as a gift for your friends and family, your lover.