1. The humidifier circuit board has 12v and 34v power supplies, which can adapt to a variety of different power supplies and has strong practicability. 2. Advanced ultrasonic technology can automatically atomize, increase humidity for your living space and provide a healthy and comfortable environment. 3. This computer version of the circuit board is universal, which can adapt to a variety of different humidifiers, greatly improving the scope of use. 4. The circuit board is also equipped with a circuit board, which can be easily inserted and assembled, greatly simplifying the installation and maintenance work. This circuit board has been strictly tested and made of materials, which is and stable, and users can use it with confidence. Product name: automatic atomizing plate Product input: 34V/12V Application: all kinds of humidifier inner panel control, germicidal lamp, air purifier, internal control panel of household appliances. Material: Metal colour: As Shown Package Contents: 1 x Humidifier Atomization Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.