Features: USB Power: This atomizing ceramic humidifier module is power through a USB interfaces, allowing easy connection to various USB power sources. You can conveniently connect it to laptops, or USB adapters. Portable: The ultrasonic mist maker module is small and portable, makes it easy to carry. It is perfect for home, office, or even during travel. Efficient Humidification: This humidifier module is capable of producing fine mist particles and evenly releasing them into the surrounding air. Effectively increases humidity level, providing relief from dryness and creating a more comfortable environment. Craftsmanship: The fogger atomization film atomizer sheet of this sprays module is crafted with high-quality materials, featuring high-frequency oscillation and holes. The surfaces is glazed for durabilityerformances. Easy to Use: Simply fill the module with water, connect it to a USB power and press button to activates the misting function. Enjoy the benefits of enhances humidity with this easy-to-use and efficient sprays module. Specifications: Component:PCB Type: Module Working voltages: 5V Working current: 300mA Frequency: 110KHz Power: 2W Wire length: 8CM Size: Approx. 35x19x10MM/1.38x0.75x0.39inch The diameter of the atomized steel sheet is 16mm, and the outer diameter of the rubber rings is 20mm. New or old: new Please pay attention to the front and back side of installation: The white piezoelectric ceramic annuluses is the front sprays surfaces and is installed The all-steel side have absorbent surfaces on the back and is installed downward. Package Includes: 1 Set USB Humidifier Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.