Rock Multi (Red, Blue, Yellow, Orange, Green) LED Light String, 25 Light, 17 Foot, 8 Inch Spacing, Bulb is approximately 1 Inch Long and 1 Inch in diameter with Green Wire. This bulb resembles a melting icecube. 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 or any event! Energy Star Rated and ROHS Compliant.