Christmas lights string by Evivak, with 30 led lights. They are gold 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. You can adjust their operating time with the included timer.. They operate with batteries.