Icstation universal ultrasonic fogger replacement discs atomister is made from ceramic covered with sealing ring. Comes along with the power dirver board, just connect it to the DC 3-12V power supply then it will turn into a DIY ultrasonic humidifier widely used in the ultrasonic diffuser repair.

Specifications:
Discs Diameter: 20mm/0.79inch
Resonant Frequency: 110KHz
Resonant Impedance: < 2 ohm
Static Capacitance: 3000pF
Working Voltage: DC 3.7-12V
Spray Volume: > 110mL/h

Package: 1X 20mm Ultrasonic Mist Maker Ceramic Discs; 1X Power Driver Board
Customer self-contained power supply, power plug size: DC 3.5*1.35 mm (Outside*Inner Diameter).

Test Steps:
1. Charge it by using an USB power cord (DC 3.5*1.35mm).
2. Place the atomizer on a shallow surface or sponge in water. The welding surface of the atomizer plate faces upwards.
3. Press the key to start it.

❤ To avoid atomister been damaged please note:
1, Please do not put whole atomister into water, the side with lead wires will spraying, please keep it out of water level and faces up. Avoid bonding pad from water or it may short circuit.
2, The other side without wires is the atomizer disc, please keep it touch enough water, suggest to use a floating sponge to install it on water level, as pictures.
3, Suggest to use 12V to test, after charge the frequency sweep driver board, press the key to start.

Icstation 20mm Ultrasonic Mist Maker Fogger Ceramic Discs Atomister with Power Driver Board for Desktop Mini Humidifier Diffuser Replacement Parts - B06XCBQQHM