AITIAO 6PCS USB Humidifieration Atomization Disc Spray Humidifier Module 5V Mirco USB Humidifier Atomization Drive Circuit Board with Timing Switchfor DIY Home

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Wide Application: Ultrasonic mist maker is a humidifier DIY kit, which is widely used in atomization equipment such as USB humidifier, perfume atomizer, aromatherapy atomizer, etc. 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. The red wire is positive and the black wire is negative. Two spray modes: press the switch for the first time is continuous spray mode: LED light is always on, always spray, spray 4 hours after the automatic shutdown protection. Press the switch for the second time is indirect spray mode: LED flashes, spray 10 seconds, stop spraying for 5 seconds, and so on, spray 12 hours after the automatic shutdown protection. Press the switch for the third time to turn off the machine. High-frequency oscillation, micrometer aperture, large atomization amount, fine mist particles, high spray rate, spray variety, timed shutdown.