The possibilities are endless with these brilliant cool white lights! Our commercial quality strings and energy efficient cool white C9 LED bulbs ensure that your Christmas lights work as professionally as they look for many years! Hang cool white LED Christmas lights on their own along the roof and across the fence to create high impact lighting in no time or mix with colored LED lights for a one of a kind lighting design!Commercial grade retro C9 Christmas lights with 18 gauge green wire. 5 premium grade LEDs within each bulb offer superior brightness for professional installations. Professional sockets feature weep holes for trouble free damp weather performance. Heavy duty SPT1 insulation. Top quality dimmable bulbs work great in steady or animated displays. Nickel plated bases prevent corrosion and improve connectivity, saving you time and money. Diamond faceted bulb design reflects a spectacular light and color halo. 0.96 watt energy efficient bulbs reduce power needs by up to 90%. Highly durable acrylic resin bulbs are virtually unbreakable, and colors never fade, chip or crack. LED bulbs always remain cool to the touch. Indoor / Outdoor use.