Christmas mini string light, replaceable construction, Indoor & outdoor use, UL & CSA certification.#20 AWG or #22 AWG wire. Wire color:Green, White, Brown, Black,Other transparent bulb color are available.Light counts:20L, 35L, 50L, 70L,100L,150L,200L,300L,1bulb goes out, other bulbs stay lit,Bulb spacing:2", 3", 4", 5", 5.5", 6", 8",9" Christmas mini lights