2-Pack 66ft 200 Led Christmas Lights Extendable, Waterproof, Green Wire Upgraded Brightness & 8 Lighting Modes: New Led Bulbs Provide A Super Bright Glow. Choose From 8 Modes (Combination, In Waves, Sequential, Slow Glow, Chasing/Flash, Slow Fade, Twinkle/Flash, Steady On) For A Variety Of Moods And Occasions. Extendable & Safe: Ul-Certified 29v Low Voltage Plug Ensures Safety. Extendable Up To 5 Sets (1000 Leds Total), Perfect For Larger Decorations Like Trees, Gardens, Or Patios...