Ujjdwiurgh 3Pcs Mist Maker Atomization Plate with 5V USB Humidifier Module Integrated Circuit Board Driver with Timing Switch

High frequency oscillation,more finer particles,large and stable atomization amount, timing shutdown. The atomizer plat should be used with the same frequency circuit board so as to achieve the perfect volume. USB humidifier special micro-hole atomization film, silver layer protection coating, the front side is white piezoelectric ceramic ring, the back is all steel material, waterproof solder joint, to prevent open circuit. Our atomizer plate with 5V frequency driver board, it is more convenient compared with other product. You can the board via the button after power the module.