Features: Brand new and high quality Circuit board parametersCircuit board product voltage DV 5V. Current 300mA. Power 2W. Frequency 108KHz, fixed frequency single-chip microcomputer. Driver board size: length 35×width 20×height 17mm (there will be slight errors). Strong versatility, large amount of fog, stable performance, the chip has an automatic timing shutdown function (4 hours of continuous work will automatically shut down protection, if you need to turn on again, press the power on again). 5V USB power supply mode, can be powered by MICRO charging cable. Atomizing film parametersThe net diameter of the atomized steel sheet is 16mm, the outer diameter of the silicone ring is 20mm, and the wire length is 8cm. Product voltage DV 5V, current 300mA, power 2W, frequency 108KHz, hole number 740, hole diameter 5umThe microporous atomized sheet produced by us is coated with a special glaze protective layer on the surface of the ceramic sheet, which is resistant to acid and alkali and prevents the silver layer from being corroded and oxidized by the liquid. Specifications: Type: DIY1, DIY2, AK204 (optional) Circuit board parameters: Circuit board product voltage DV 5V Current 300mA Power 2W Frequency 108KHz Atomizing film parameters: The net diameter of the atomized steel sheet is 16mm the outer diameter of the silicone ring is 20mm the wire length is 8cm Product voltage DV 5V Current 300mA Power 2W Frequency 108KHz Hole number 740 Hole diameter 5um Package Includes: 1 x Circuit board 1 x Atomization film 1 x Absorbent cotton core note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!