100% Satisfaction Satisfaction Guaranteed. 50-Light LED Blue and Cool White Faceted C9 String Light Set. Holiday Decor Product Type. Blue + White Lights. Maximum Number of Sets Connected. 25 blue and 25 cool white OptiCore C9 LED bulbs. Green E17 stringer with 12 in. Spacing between each socket. Dimmable, SMD LED diode produces brilliant light. […]