Christmas lights string by TnS length 15m, with 240 lights led, thickness 3mm. They have transparent cable and emit cool white light, which is represented on the Kelvin scale with values from 5000K to 6800K. Cool white light offers a modern and dynamic feel, ideal for impressive outdoor decorations.. They allow you to choose between various lighting change programs, depending on your mood. They operate on electricity for uninterrupted operation, ideal for large and stable decorations that require continuous lighting.