PAR38 glass LED (light emitting diode) light bulb. Smart energy saving alternative to standard incandescent light bulbs. Ideal for use in recessed and track light fixtures. UL (Underwriter's Laboratories) wet rated for outdoor and indoor use, making it ideal for outdoor security lighting. Provides a wide beam of bright, white light ideal for general room lighting. California Title 20 compliant, delivers high CRI (color rendering index) for showing colors naturally and vividly.