Premium Material: prewired LED diodes are made with high-quality materials and strict manufacturing standards, ensuring long-lasting performance, reliability, and durability for your electronics projects. Hassle-Free Installation: Our DC 12 Volts prewired LED diodes 5mm feature built-in resistors and 20cm (7.87 inches) flexible wire leads, eliminating the need for soldering or additional components, making your projects quicker and more convenient to complete Versatile Applications: These 5mm single-colour LED diodes are perfect for a wide range of DIY projects, including Arduino, Raspberry Pi, breadboard circuits, robotics, automation, model trains, RC vehicles, custom lighting, and educational purposes.