What's the difference between red headlights and tricolor lights?

Red headlamp: A kind of lamp with a small iodine tungsten lamp tube as illumination, with a semicircular reflector. It is made into orange red, commonly known as red headlamp, with a color temperature of about 4k-5k and a power of 500W- 100W. Some red headlights have focusing function, generally 800 watts power, 3200k standard color temperature, and can also be equipped with soft 3 soft 4 tape or blue filter paper (3200k to 5600k).

Three primary colors refer to red, green and blue phosphors, which are made into 1500-25000 phosphors with any color temperature through different proportions.