Easy to operate
Night light button
Short press the first time: Short press the blue light on the second time, when the yellow light turns on the third time, short press the yellow light turns on: 7 colors slowly change mode; Short press the fourth button to fix the color you like.
Operation part
Power button: Short press to turn on/off.Press and hold for 3 seconds to turn off the LED LCD display: Cold air flow button that switches between 3 levels each time you short press: Timer button that switches cold air to 2 levels every time you press the button: Set 6 hours each time you press the button.