Directions for use 1. Short press the power button to start the machine. The machine will be in first gear by default and automatically shut down after working for 30 minutes; 2. Underworking state, press the power button again to shut down; 3. Under the power-on state, press the tap position button to change the tap position, atotal of three gears, and switch in cycles; 4. Double click the power button to check the power when the power is on, Working mode : Quick disinfection mode: press the power switch, the machine startsto work andstops in 30 minutes. Strong disinfection mode: under startup state, press the gear button to switch to the second gear for 60 minutes.The display displays a 60-minute countdawn. Circulating disinfection mode: in the second gear state, press the gear button again and switch to the third gear for 3 minutesStopped for an hour after the automatic start and work for three minutes, continue to cycle to no power off,The display displays a 180-second countdown.