Warm soft light. 2700K. 40 watt replacement (Electricity cost savings based on using the bulb for 8,000 hr rated life at 10 cents per kilowatt hour compared to eight 40 watt soft white incandescent bulbs [rated life 750 hrs]. Provides nearly the same light output [450 vs. 490 lumens]). Uses only 9 watts of energy. GE Spiral bulb on the inside. Save $24 in energy (Electricity cost savings based on using the bulb for 8,000 hr rated life at 10 cents per kilowatt hour compared to eight 40 watt soft white incandescent bulbs [rated life 750 hrs]. Provides nearly the same light output [450 vs. 490 lumens]). Lasts 5 years (Guaranteed to last 5 years based on rated life at 4 hours consumer use per day at 120V). Light Output: 450 lumens. Energy Used: 9 watts. Life: 8000 hours. Contains: 1 bulb. Reliable starting to 25 degrees F (-5 degrees C). Lamp requires a short warm up period to reach full brightness. Energy star. UL listed. Made in China.