Warm White. 19.3m Total Cable Length Status Ludvika 720 string lights are the perfect decoration for both indoor and outdoor spaces, making them ideal for Christmas and year-round use. These mains-powered lights emit a warm white glow, providing vibrant illumination. With a total cable length of 19.3m, the lights offer plenty of reach for various setups. The first LED is positioned 10 metres from the plug, allowing you the flexibility to keep the plug indoors or in a dry box for safety.