Youmile 4 pcs USB Humidifier Module DIY Atomizer Micro Interface 5V Circuit Board Ultrasonic Mist Maker Driver with Micro USB Cable Bracket 10mm Cotton Swab USB expansion interface cable

• What it does: This is a Micro USB humidifier.It works on the surface of the water, on an absorbent sponge or towel, after being powered on, the water drop can be atomized
• Features: Come With A Driver, Power-ON Trigger Work, 108KHz High Frequency Oscillator, Micron Level Aperture, Glazed Surface of Atomized Sheet
• Electrical parameters: Work Voltage:DC 4.5V~5.0V, Work Temperature:0℃~85℃, Work Humidity:10%~90%RH
• Notice: 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
• DIY welding: The left and right solder joints of the switch can be welded together to achieve spraying when power is turned on, without the need to control the switch
• DIY welding: The left and right solder joints of the switch can be welded together to achieve spraying when power is turned on, without the need to control the switch
• Package includes: 4 x Micro USB Humidifier Module;4 x Humidifier bracket;4 x 10mm Cotton Swab;1 x USB expansion interface cable;1 x Micro to USB cable

Specification: Work Voltage:DC 5V Work Power:2W Work Frequency:108KHz(+/-3KHz) Power Type:Female Micro USB Socket Diameter without rubber ring:16mm Diameter with rubber ring:20mm Spray Diameter:5um Spray hole:740 holes Spray speed:50ml/h Work Temperature:0℃~85℃ Work Humidity:10%~90%RH Driver Size:35*19*15mm Package includes: 4 x Micro USB Humidifier Module 4 x Humidifier bracket 4 x 10mm Cotton Swab 1 x USB expansion interface cable 1 x Micro to USB cable