Christmas lights string by JK Home Decoration length 36m, with 1800 lights led, thickness 3mm. They have green cable and emit warm white light, which is represented on the Kelvin scale with values from 2400K to 3800K. The tones of warm white are more yellow compared to natural light. They allow you to choose between various lighting change programs, depending on your mood. They operate on electricity for uninterrupted operation, ideal for large and stable decorations that require continuous lighting.