Twinkle Star 66ft 200 LED Decorative Fairy Mini String Lights 29V low voltage plug with UL certified for safe use. Ideal for Christmas, tree, party or other celebration occasions. Connect up to 5 light strings end to end. Our super bright 200 LED Warm White Wide Angle Mini Lights have 200 commercial grade LED. These commercial grade LED Christmas lights very durable, long lasting, and extremely energy efficient. The strand offers 8 different illumination settings. Giving you customizable ambiance. Click through the various options, that vary in rhythm and sequence, to match your mood, or maintain an inviting glow with the "steady on" feature. Note: The transformer of lights is not waterproof. If it is used outside, please make sure it away from water