The 9.8-Watt lamp with a power factor of 0.98, has an average life of 25000 Hours. This dimmable lamp emits light at a beam angle of 220-Degrees. The 4-3/16-Inch lamp has a diameter of 2-3/8-inches. It is suitable for use in totally enclosed fixtures and damp locations. This lamp is perfect for residential and commercial lighting applications. The lamp meets UL/ETL, cULus, RoHS and Energy Star standards.