- Contents: This set includes 10 high-performance 5 mm yellow conventional LEDs, each equipped with connection cables and a built-in resistor for 5 V operation. Ideal for various applications such as model making, speedometer lighting, and TV backlighting. - Size: The LEDs feature a compact 5 mm diameter and cables approximately 20 cm long, making them versatile for a wide range of projects while delivering excellent performance. - Light Intensity: With a luminosity range of 3000 - 5000 mcd, these dimmable LEDs operate effectively between 4 - 6 V, with 5 V being optimal for most applications. They consume only 20 mA of power, ensuring energy efficiency. - Specifications: The LEDs have a 45° beam angle for focused lighting. The negative pole is notched to prevent incorrect polarity; if reversed, the LEDs will not light up but remain undamaged. They can be easily soldered or clamped to cables for secure connections. - Use Scenarios: 1. Enhance your model displays with vibrant lighting that draws attention and adds realism. 2. Illuminate speedometers in custom-built vehicles for better visibility at night. 3. Create a stylish TV backlight to enhance your viewing experience and reduce eye strain. These LEDs are a reliable choice for both hobbyists and professionals looking for quality lighting solutions across various applications.