Ultrasonic Nebulizer Mist Driver Circuit Board: High-frequency nebulizing technology creates fine, uniform mist for humidifiers, aroma diffusers, and fog effects Upgrade your DIY humidifier or fog-making project with this versatile humidifier module DIY kit Nebulizing Control Board: Integrated control circuit ensures reliable mist generation with stable performance and low noise operation Designed for hobbyists, makers, and repair technicians, this kit provides a stable and efficient ultrasonic nebulizing solution for a wide range of small appliances 6 Nozzle Interface Design: Equipped with a 6-nozzle interface to connect multiple mist heads, increasing mist output to meet different application needs