Function introduction: When the top is rotated, the LED will emit a linear light effect due to the persistence of the human eye. Suitable for Beginners: Designed for those new to electronics, this kit helps in learning how to solder electronic components. The soldering project kit enhances your understanding of electronics and improves soldering skills. Easy to Assemble: This electronic DIY kit is made from safe materials that resist corrosion and wear. Part names are clearly marked on the PCB board, and the circuit design is simple, allowing even beginners to solder with ease. Warm Tips: This DIY electronic component kit requires assembly and soldering. If you have no prior soldering experience, please read the soldering instructions carefully and use soldering tools properly to avoid safety hazards. Working Voltage: DC 3V-6V Note: The item is delivered as loose parts and requires soldering. Material: Plastic + Metal Color: Transparent Package Contents: 1 x Electronic Soldering Kit The package includes only the items listed above; other products are not included. Note: Due to lighting effects and differences in display screens, the color of the item in the photo may vary slightly from the actual product. Measurement error is allowed within +/- 1-3 cm.