Color/Finish: Natural White</br>Color Temperature: 5??000K</br>Average Lifetime: 10000 hours</br>Lumens (light output): 810</br>CRI: 82</br></br>Product Description</br></br>13 watt 120 volt PL-S 2-Pin (G23) Base 5??000K Single Tube ALTO Compact Fluorescent Philips Light Bulb</br><br/>http://www.amazon.com/gp/product/B001P95ILG