The CIRCLE CV200-4 is a pack of 4 warm white light bulbs with a color temperature of 2500 - 3000 K. These specialty bulbs have a 4 pin base and emit 1080 lumens of light, while consuming 18 watts of power. With a bulb life of 10,000-14,999 hours, these compact fluorescent lamps are designed to provide efficient and long-lasting illumination for your lighting needs.