The SYLVANIA 100Q/CL ESN 100W-120V is a 100-watt T4 shaped light bulb manufactured in the United States by Lightbulbsareus. With a bulb wattage of 100W and an output voltage of 120V, this product is designed to provide bright and efficient lighting for various home and garden applications. The manufacturer does not offer a warranty for this specific bulb, but its reliability and quality can be trusted for your lighting needs.