GE LED5ET5G-1-3CC-LT. This is a 5 watt, acrylic T5 with a miniature bi-pin base. It is equivalent to an 8 watt linear fluorescent. The bulb provides 500 lumens and has the option to select one of 3 different color temperatures: cool white 4000K, sunshine: 5000K, & daylight 6500K. With a CRI: 80 , and an MOL: 12". The bulb is non dimmable, with a rated life of 36000 hours. Adjustable color temperature in one bulb by moving a switch!