Indicator functionCharging indicator: when the humidifier Type-c charging port Input inputs 5.0V, the charging indicator red light will be on, and the full red light will go out.Water shortage indication: When the water level of the water tank is lower than the water level probe in the water tank, the red LED light flashes 3 times and then goes out.Low battery indication: When the battery voltage is lower than 3.2V, the LED light flashes red for 10 times and then shuts down. (When any function is restarted after shutting down, the product function will not work. The LED light flashes 10 times and then shuts down. It can be restored after charging. Normal use).Instructions1. Spray function: click the spray button for the first time to continue spraying; click the spray button for the second time to switch to intermittent spray (spray for 3 seconds and stop for 2 seconds); click the spray button for the third time to turn off the spray.2. Night light function: long press the spray button for the first time to turn on the colorful atmosphere light; long press the spray button for the second time to fix the color of the colorful atmosphere light; long press the spray button for the third time to turn off the colorful atmosphere light.3. Type-c port: Humidifier Type-c charging port, when Input is 5.0V, it can charge/power the humidifier.4. Water shortage protection: When the water level of the water tank is lower than the water level probe in the water tank, all spray modes are automatically closed.