Sunnytech Solar Power Rope 100leds Light Tube String Ourdoor Garden Fairy Party Waterproof (Blue) Explanation about color Warm White, It's NOT yellow color or white color, it's color between yellow and white. colour temperature is 2500K-3000K This listing is for one new 12m. total length of solar LED rope lights. The lighted length is 10M. with a 2M lead cord to place the small solar panel. The tube is 3/8" across or 1 cm. Can be used inside or outside. Two models available.1 Flashing 2 steady on This lighting is ideal for lining buildings, windows, trees, gazebos, architectural details, stairs, deck railings, patios, boats and any other outdoor object you can think of. Using sunlight for power, tube lights help to reduce expensive electrical bills by harnessing the suns power. Solar LED Rope Lights can be placed practically anywhere without messy wires or the need of nearby outlets. The lights and electronic box are all weather_they should not be affected by exposure to rain, snow or temperature. The rope lights will stay illuminated for 8-10 hours depending on lighting conditions, and turn on/off automatically via the built in light sensor. Each rope lights has 100 LED lights that will make a definite night time statement, and are rated at over 100,000 hours of life.