The Commercial 35-ct. Red to Green M5 LED Lights w/4-in. Spacing (Case) from Forever LED makes holiday decorating for your home or business easy. These Christmas lights come in cases of 5 or 10 strings so you`ll have plenty. These lights are full wav e LED mini lights with a colorwave from red to green. They are bright with no flicker and are on a parallel series so if one goes out the rest stay on. As these Christmas lights are an ENERGY STAR Product they keep your electrical bills low and are d esigned to be used either indoors or out. Each 12-foot string has 35 lights spaced 4 inches apart.About Forever LEDForever LED specializes in LED lighting. In addition to their energy-efficient holiday light strings they ve also developed a line of F ull-Wave lights that provide DC power all along the string of lights. Located in Marion Ind. Forever LED is an ENERGY STAR partner.What is an ENERGY STAR product?This product has earned the ENERGY STAR rating from the U.S. Environmental Protection Ag ency and the U.S. Department of Energy. ENERGY STAR is a voluntary labeling program designed to identify and promote energy-efficient products. These products meet strict guidelines and can help you save up to a third on energy bills compared to like products without an ENERGY STAR rating. ENERGY STAR products saved about $14 billion in 2006 alone and their numbers are growing exponentially in product categories. This ENERGY STAR product has met criteria that will save energy money and reduce gr eenhouse gas emissions. An excellent choice