Aurio Christmas Lights Multicolor, 12.3ft 50-Count LED End-to-End Connectable C5 Christmas String Lights, Light Strings for Party, Wedding, Indoor & Outdoor Christmas Tree Decoration, Multi-ColorSize:50-Lights | Color:Multi-color Auriol Lighting proudly presents the Long life line of LED Light Strings. This represents Auriol's commitment to innovate and create products with premium features at affordable price points. Featuring our patented Twin-Power LED , which uses 2 chips per bulb, the lights continue function even in the event of a short or open circuit, greatly increasing the life of the product. An 80% reduction in energy use saves on electricity bills and helps save the planet. Having Cass Certification gives customers a peace of mind. All Auriol Long life LED light strings are backed with a 3-Year Seasonal .