GE Lighting 74198 13-Watt energy smart CFL light bulb, 60-Watt output, 1-Pack These energy saving light bulbs can last 10 times longer than a regular soft white bulb. It will save money as well! GE energy smart CFL bulbs provide the same light as a soft white bulb while using fewer watts. Our new packaging is much more user friendly and better for the environment. You can use them in numerous places including table lamps, closet lights and standard applications. The base is a standard medium screw(E26). Guaranteed to last 5 years based on 4 hours use per day at 120-Volt. Electricity cost savings based on rated life of 8,000 hrs. For product questions regarding GE Lighting products, please call GE Hotline 1-800-435-4448, Monday – Friday, 8:00 a.m. – 6:00 p.m. EST Follow the recording prompts or ‘stay on the line’ to speak directly to a customer service rep.