Product name: Humidifier driver board
Color: As shown
Voltage: DV 5V
Current: 300mA
Power: 2W
Frequency: 110KHz
Steel sheet diameter: About 16 mm
Silicone ring outer diameter: About 20 mm
Wire length: About 8 cm
Size: Approx. 46 * 20 * 17mm/1.81 * 0.79 * 0.67"

Description:
- 5V USB ultrasonic mist maker driver board and atomizer plate.
- Low driving voltage, low power, low impedance, stable waveform, high conversion efficiency.
- Round ring atomizer plate, middle spray, 5um ultra-fine spray aperture, 740 ultra-dense spray holes.
- Surface of the atomizing sheet adopts an oxidation-resistant silver layer to protect the coating process, long life.
- Adopt environmentally friendly electronic components.

Package Included:
- 1 PC Humidifier driver board
- 1 PC 16mm Atomizer plate

Note: On December 30, 2021, the seller added the following information.

We keep a close eye on consumer needs,offering continual innovation and product development and an ever-changing core product range.Each product undergoes rigorous development and testing,keeping quality and longevity in mind.In addition,our trained customer service team work hard to ensure that any queries are dealt with efficiently and strive to ensure that you are always provided with the highest level of customer support.

Any questions,please contact us through eBay message or e-mail,We will reply within 1-2 business days(public holidays not included).
Working time:Monday-Friday 9:00 AM-5:30PM(Beijing)

A complete and correct shipping address is essential.
Customers with shipping addresses outside of the U.S.are responsible for all duties and import taxes.Please contact your customs for information.
For any further information about shipping,please contact our customer service team.

We are happy to be able to offer our customers 60 day returns on our products.All items can be returned and a refund will be issued,provided they are returned within 60 days of receipt of purchase.In the unlikely event that you are not happy with your purchase please do not hesitate to contact our customer services team.

We offer at least 1 year guarantee on all of our products.