Christmas lights string by Aca length 1.19m, with 144 lights led, thickness 3mm. They 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 IP65 protection rating, which indicates that they have full protection from dust, while water that is sprayed with great force (e.g., pressure hose) does not enter. They operate on electricity for uninterrupted operation, ideal for large and stable decorations that require continuous lighting.