Philips Circline 4-CCT Selectable White color temperature Plug and Play T9 Type A LED tubes allow you to easily switch to your preferred shade of light by choosing from 4 color temperatures including Bright White (3000K), Cool White (4000K), Daylight (5000K), and Daylight Deluxe (6500k) prior to installing the bulb. Makes it simple to always have the right shade of white for the job or application. This non-glass LED tube looks like fluorescent, and offers a range of color temperatures to fit almost any home and workspace.