40-watt Medium Base (E26) A19 Incandescent lamp sustains a life up to 1.3 years.Crystal Clear bulb with color temperature rating of 2700 K.Provides approximately 455-lumens of light, illuminating your environment around you.Works with most 120-volt lighting fixtures, light is well suited for Decorative applications.40-watt Incandescent lamp provides about 1500-hours of running life, which means replacing your bulbs less often.