Blue to Green Color change LED Light String, 5MM, 25 Light, 9 Foot, 4 Inch Spacing, Bulb is 1/4 Inch Long and 1/4 Inch in diameter with Green Wire. The color changing LED light string gradually fades from Red to Green. This item can be used for Indoor or Outdoor Lighting. High Quality LED Light set uses 2.4 Watts and is Moisture Resistant. Connect up to 43 sets end to end. Great item to use for the Christmas holiday. Energy Star Rated and ROHS Compliant.