GE 15 Watt (65 Watt equivalent) Energy Smart Floodlight 7 Year Life R30 Light Bulb. Saves $35.00 in energy costs*. Lasts 5 times longer than a regular soft white indoor floodlight*. GE Energy Smart bulbs provide the same light as a Soft White bulb while using fewer watts. Application: Indoor spot and floodlight with 3.75-inch wide fixtures. Base: Medium screw (E26). Bulb Type: R30. Initial Lumens: 750. Guaranteed to last 7 years based on 4 hours use per day at 120V. Electricity cost savings based on rated life of 10,000 hrs compared to five 65 watt R30 bulbs (rated life 2000 hrs). Energy savings based on 10c per kilowatt hour. Reliable starting to -10oF(-23oC). Lamp requires a short warm up period to reach full brightness. 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.