Christmas lights string by Lianos, with 320 led lights. They are transparent 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 IP44 protection, which means they cannot be penetrated by solid objects larger than one millimeter and also cannot be penetrated by water with high intensity. They allow you to choose between various lighting programs, depending on your mood, and can be extended by connecting them to other bulbs.. They operate with electricity.