CMVision 4 Watt E26 LED Light Bulb Bright White 5000K Designed for 110V AC power input and standard E26 medium base Direct Replacement. CMVision bulbs can be easily installed on existing lighting fixtures with E26 mounting sockets. CMVision bulbs consume 70-90% less energy vs. incandescent and halogen bulbs, and approx. 40-60% less energy vs. CFL bulbs. Pure White 4W, 150 Degree, 240Lumin, E26, E27 Base, UL List CMVision Manufactory Warranty