Set of 100 Multi-Color Commercial Grade Christmas Lights Item #ES78-540 Color: Multi-Color Bulbs/Green Wire Multi-color consists of pink, orange, green, blue and red bulbs Bulb size: mini Lite lock on each bulb eliminates loose contacts Heavy duty lights allow you to connect 6 light sets into one lighting string (compare to most other brands that allow up to 3) Steady burning or 2 way flashing If one or more bulbs burns out, others stay lit UL Listed for indoor/outdoor use Lighted length: 29.5 feet (8.9m) Total Length: 32 feet (9.7m) Comes with 2 spare replacement bulbs, 2 extra fuses and 2 optional blinking lights