GE Energy Smart GE 50 LED C-9 Lights 50 LED C-9 (Multi Colors) Holiday Lights String Set Energy Star Uses 80% less electricity. Less than $1 per season to use Low Heat, Long Life , Low Energy Use Each are 32 ft long (9.93 m) lighted length. 3.2 watts per string of 50 at 32.6 feet long each, Max 25 sets per string - fused plug - end to end plug