Green Fiber Optic LED Christmas TreeDimmable String Lights: 100% 75% 50% 25% 4 level brightness, create suitable, comfortable atmospheres at your needs according to various occasions. Noted: While in multicolor modes, all the colors (including red, yellow, blue, green) will be shown together, no specific colors can be set up! End to End Connectable: Upgraded adapter string lights allowing end to end linkable up to 3 sets, total 600 LED 197ft, can extend to get your desire decoration