GE LEDs offer outstanding energy efficiency, long-lasting performance and just-right brightness, all in one package. They illuminate your home with cool, bluish-white light, GE's 3-Way bulbs provide three levels of light - click once for general purpose lighting, click twice for task lighting and click three times for low mood lighting. Use this GE LED 3-Way light in table lamps. It's great for frequently used fixtures - GE LED's long life and low energy use will help you save money on energy.Features Each bulb costs $1.57 annually to operate based on 3 hours per day use/$0.11 per kWh Saves $143.55 on energy costs per bulb Rated to last 13.7 years Specifications LED 100 Watt replacement using only 13 Watts Type: A21