[Adjustable Speed Blinking LED] By adjusting the potentiometer to control the blinking speed of the LED, this kit allows you to understand the basic principles of LED lighting control. | [Widely Used Breathing Lights] Breathing lights are widely used in daily life, more used in home decoration, digital products, car audio and other fields. The decorative effect of this kit is also relatively good. | [Excellent soldering project]Through this soldering DIY kit can help you understand the basic working principle of PCB, familiarize yourself with a variety of electronic components, and at the same time provide you with an enjoyable experience of practicing soldering skills. Even hobbyists who are new to DIY soldering can easily and happily enjoy the process. | [Detailed Installation Instructions] This electronic kit is not a finished product, you need to solder it yourself. We provide detailed paper instructions in the package to keep your soldering process away from the screen. | [Excellent after-sales service] If you encounter any problem, please contact us first, we will support you further. We have been engaged in wholesale and retail business of electronic related products for a long time. Welcome to write to us to discuss wholesale business. The larger the amount, the more favorable the price.