Features: This Type-C USB mini humidifier circuit board is the perfect DIY kit for anyone looking to add moisture to their environment. Made of high-quality ABS material, this humidifier driver board is durable and reliable for long-term use. For tech enthusiasts, hobbyists, and DIYers who want to create their own mini humidifier. For home office use or even in your car to combat dry air and improve your overall well-being. Application：for home automation Household atomizer/humidifier/Electronic DIY/Small USB device. Specifications: Length：approx 40cm/1.57in Working voltage: Recommended5V Work current: 330mA Stand-up current: 21uA Power supply interface: Type-C USB Humidifier interface: pH2.0terminal Frequency: 108kHz Multiple function modes: Uninterrupted work/Intermittent work/Timing work Package Includes: 1x Type-C Atomizer / Humidifier Controller 1x Atomizing Sheet 1x Humidifier Cotton Rod note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.