Christmas lights series from TaoTronics, 20m long, with 200 LED lights. They emit warm white light, which is measured on the Kelvin scale with values ranging from 2400K to 3800K. The tones of warm white are more yellowish compared to natural light. They have an IP65 protection rating, which means they are fully protected against dust and water that is projected with high force (e.g. high-pressure hose). They allow you to control them remotely through the included remote control. They operate on electricity.