Christmas lights string by Eurolamp length 17.95m, with 100 led lights, with a thickness of 5mm. They are green cable and emit warm white light, which is measured on the Kelvin scale with values from 2400K to 3800K. The tones of warm white are more yellow compared to natural light. They have IP20 protection, which does not allow direct contact of our fingers with the lighting elements. They allow you to choose between various lighting programs, depending on your mood.. They operate with electricity.