This is a display of the shell of Ultrasonic Aroma Diffuser and the internal water tank and bottom structure.

Remove the three screws at the bottom separately and pull them open the bottom to reveal the internal structure.

Remove the two button assembly for the control device on the internal Tactile Switch

After removing the button assembly, remove the four screws used to fix the DC cooling fan at the bottom, and then remove the DC cooling fan.

After removing the DC cooling fan, remove the screws of the small white box next to it and remove the small white box.

After removing the small white box, remove the internal DC power connector.

After removing the DC power connector, remove the screws fixing the PCB, and then take out the PCB.

After disassembling the internal structure of the base, start disassembling the internal structure of the middle frame. Remove the screws of the circular PCB inside the middle frame, and then take out the circular PCB.

This is the final step to separate the outer shell from the internal structure. Remove the sealing gasket installed under the water tank by unscrewing the three screws on it. Once the sealing gasket is taken off, the entire internal structure will be completely separated from the outer shell.