A21 shape light bulb (E26) base. Brightness: 3050 Lumens. Average life: 22-year (based on 3-hour/day). Light appearance: 3000K (warm white). Energy used: 25-Watt (equivalent to a 200-Watt standard incandescent light bulb). Uses up to 87% less energy compared to a standard incandescent light bulb. Non-dimmable. Input line voltage: 120-Volt. ENERGY STAR certified for energy conservation and savings. Extra bright with high lumens. Instant on to full brightness. No ultraviolet, safe for artwork. Mercury free.