Edison medium base. 4000K, 25,000 hours average life.
High powered 38 watt LED light is a direct replacement for a 300 watt incandescent. Used for yard light, light socket and barn light. It has an average life of 35,000 hours and is 4000 lumens, 5000K and 120V. 8.5"H x 3"D. Instant on to full brightness. UL Listed, FCC Compliant and is 100 percent mercury free.