The Sylvania Energy Saver Lynx de 18W Light Bulbs are energy-efficient indoor lighting solutions made from glass, with a beam angle of 180° or more. Manufactured in 1999, these bulbs are designed for long-lasting use with a switching cycle of 50,000 or more. With an energy efficiency rating of A and a bulb wattage of 18W, these light bulbs provide a bright output of 1000-1999 lm while helping to reduce energy consumption. Trusted for quality and reliability, these SYLVANIA light bulbs are a practical and eco-friendly choice for illuminating indoor spaces.