40-watt Medium Base T10 Incandescent lamp sustains a life up to 0.9 year * Soft White bulb with color temperature rating of 2500 K * Provides approximately 415-lumens of light, illuminating your environment around you * Works with most 120-volt lighting fixtures, light is well suited for Specialty applications * 40-watt Incandescent lamp provides about 1000-hours of running life, which means replacing your bulbs less often