Twinkly Pro Icicle string lights feature 250 RGB LEDs in a stunning icicle drop design. Each strand measures 16.4 feet in lead length with 5 lighted sections of 2.6 feet each. The drops are spaced 5 inches apart with lamps positioned every 4 inches for uniform, professional coverage. This configuration uses a 4-6-8-7 drop schema to create a cascading waterfall effect. Power consumption is just 20 watts for full RGB color, making it energy-efficient for extended holiday displays. The white cable blends seamlessly with most installations. Perfect for rooflines, patios, and architectural accent lighting, these professional-grade icicle lights deliver customizable color control and reliable performance throughout the season.