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 high-quality 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.