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If you’re ready for professional-grade Christmas light displays, OptiCore LED commercial Christmas string lights are ready for you. They're the most advanced, durable and beautiful LED Christmas lights around. OptiCore LEDs feature a reflective core design that saturates the bulb lens with rich, brilliant light. And they're virtually indestructible, made of polycarbonate that’s 200 times stronger than glass. Plus, they're end-to-end connectable, up to 1,000 feet (960 max watts). Better technology. Better color. Better string lights. That’s OptiCore!

• [ 50 C9 BLUE AND GREEN COMMERCIAL-GRADE OPTICORE LED LIGHTS ] and 50-foot green heavy-duty stringer with 50 sockets spaced 12 inches apart. 6-inch lead with fused polarized male plug and 6-inch tail with female plug for EASY END TO END CONNECTIONS. 50 feet total length. To assemble, simply twist bulbs into sockets.
• [ BETTER COLOR ] New advanced SMD diode that emits a single high powered light beam perfectly diffused through a thick polycarbonate lens producing NEXT GENERATION COLOR SATURATION from top to bottom. DIMMABLE (dimmer sold separately).
• [ SHATTERPROOF POLYCARBONATE LENSES ] Bulb walls are two times thicker than standard bulbs, 200X stronger than glass. REMOVABLE AND REPLACEABLE BULBS (replacement bulbs sold separately). IP67 BULBS: WATERTIGHT, impervious to dust, dirt and debris, and rated to 60,000 hours. Preferred by professional installers everywhere.
• [ CONNECT 1,000’ OF LIGHTS on a SINGLE PLUG ] Safely connect 960 watts, over 1,000 feet of lights, end to end on one plug -- only 0.8 watts per bulb, 40 watts (0.34 amps) per set. Powered by standard 120 volt household outlet.
• [ COMMERCIAL GRADE 18 GAUGE STRINGER ] with SPT1 insulation features sockets with weep holes for trouble-free wet weather performance. Parallel wired; if one socket goes out the rest stay lit. CUTTABLE for custom light runs if desired. Stringer is UL certified; approved for indoor/outdoor use.
• [ NICKEL-PLATED BASES] Corrosion-resistant, ensuring longer-lasting, trouble-free performance with fewer failures.