Christmas lights string by Eurolamp length 2m, with 20 led lights, with a thickness of 5mm. They are transparent cable and emit cool white light, which is measured on the Kelvin scale with values from 5000K to 6800K. The tones of cool white are more blue 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.