Christmas light string by Aca, 2m long, with 20 LED lights, 3mm thick. They have a silver 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 have an IP20 protection rating, which does not allow direct contact of our fingers with the lighting elements. They operate on batteries.