<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features: <br/>1. [Suitable for Beginners]: High quality parts and intuitive design, designed specifically for electronic beginners to learn how to solder electronic components. <br/>2. [Fun and Education]: The practice board has three adjustable potentiometers that change color when rotated, making it an interesting welding practice board. <br/>3. [Creative Gift]: The practice board is very small and has small holes on the board that can be hung, which can be given to friends or family. <br/>4. [Easy to solder]: The space between the solder pads and the solder pads on the PCB is large enough, making assembly convenient and simple, and has a wide range of application scenarios. <br/>5. [Widely Applicable]: The shipment is in loose parts and requires self assembly, which can improve one's hands-on ability. It is suitable for welding skills training, DIY production, project design, e-sports, etc.</p><p>Parameter: <br/>PCB board color: white <br/>LED lighting: colored <br/>Power supply: Battery powered <br/>Battery model: CR2032 <br/>Size: 6.2 * 5 centimeters (2.44 * 1.96 inches)</p><p>Package include: <br/>1 * PCB board <br/>1 * Battery socket <br/>1 * Sliding switch <br/>3 * resistor <br/>3 * Adjustable potentiometer <br/>1*led <br/>1 * Battery (optional with or without battery)<br/><br/></p></div></div><p><br/></p>