OptiCore® Christmas lights offer the ultimate in durability and beauty. The polycarbonate bulbs are unbreakable, 200 times stronger than glass. The thick bulb walls enable brilliant color and a glow that looks more like old-fashioned incandescent Christmas lights. Yet these lights are long-lasting, energy efficient LEDs, just 0.84 watts per bulb. Plus they’re dimmable. Try OptiCore Christmas lights, and you’ll see why they’ve become a favorite of professional installers and Christmas light enthusiasts everywhere.
- This 50-count LED C9 red and green Christmas string light set features the superior construction of OptiCore polycarbonate bulbs, for the ultimate in durable, beautiful Christmas lights 
- 60,000-hour average bulb life keeps these lights glowing season after season 
- Indoor/outdoor rated, ideal for decorating your entire home and Christmas trees, inside or out 
- Green 18-gauge wire features 50 sockets spaced 12 in apart, 6-in lead and tail, and plugs at both ends so you can connect up to 22 sets 
- Polycarbonate bulbs are 200 times stronger than glass, with thick lens walls that enable OptiCore’s vivid, natural-looking glow 
- Only 0.84 watts per bulb, saving money on your energy bills while enjoying the look of old-fashioned incandescent Christmas lights 
- UL safety listing demonstrates this product has met the requirements of widely accepted product safety standards 
- Replaceable bulbs; to assemble, simply twist bulbs into sockets; if one bulb goes out the rest stay lit 
- 3-year limited warranty