Two Spray Modes: Press The Switch For The First Time For Continuous Spray Mode: The Led Light Is On And The Spray Keeps Spraying. It Will Automatically Shut Down After 4 Hours Of Spraying For Protection. Press The Switch For The Second Time To Enter The Indirect Spray Mode: Led Flashes, Sprays For 10 Seconds, Stops Spraying For 5 Seconds, And So On, It Will Automatically Shut Down After 12 Hours Of Spraying For Protection. Press The Switch A Third Time To Turn Off The Machine. Installation Method: The White Piezoelectric Ceramic Ring Surface Is The Front Spray Surface, Which Is Installed Upward, All Steel Sheet Surface Is The Suction Surface On The Back, Installed Downwards. Place The Atomizer On The Surface Of The Water And Cannot Be Placed In Water. The Red Wire Is Positive And The Black Wire Is Negative. Spray Principle: Piezoelectric Ceramic Drives The Metal Plate To Oscillate At High Frequency, And Ultrasonic Liquid Atomizes. Micrometre-sized Water Molecules Atomize And Disperse Water Into Th