Christmas lights string by Aca length 2.1m and height 210cm, with 20 led lights, with a thickness of 2mm. They are black 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 operate with batteries.