1. Real time display of temperature and humidity, controllable humidity, and silent atomization humidification timing function. 2. Fine and uniform atomization with controllable humidity, capable of atomizing liquid water and timed atomization. 3. Equipped with OLED screen, real-time updates of environmental temperature, humidity, and timing. 4. Multi level menu management makes it more convenient and simple for users to use. 5. Compact and convenient power-off memory function, no water tank design, no need to frequently clean containers. Suitable for beginners to practice welding, mostly using discrete straight insertion components for lower and easier welding difficulty. Kit Name: OLED Display Nebulizer Production Kit Power supply method: USB 5V power supply Maximum operating current: approximately 150mA (when the atomizer is started) PCB size: 60x60mm Attention:DIY of individual parts requires self welding and assembly, and welding tools must be provided. It's DIY kits, needs to finish by yourself. Note:Due to different factory batches, slight differences in parts not affect the use. Color:As Shown Material:ABS Package Contents: 1 * USB Humidifier Circuit Board Kit 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.