5 PK 4 Ft. Emergency LED T8 Tube, 18W, 2340 Lumens, CCT Selectable, 100-277V Product Type_Track Lighting 4000K is the standard go-to:

4000K is the standard go-to: bright and neutral without the stark quality of 5000K

2 -in- 1 LED test switch and indicator light included

This product complies with TSCA Title VI

With its remote driver and built-in junction box

5 PK 4 Ft. Emergency LED T8 Tube, 18W, 2340 Lumens, CCT Selectable, 100-277V Product Type_Track Lighting 4000K is the standard go-to:The Emergency LED T8 Tube light is safe and reliable product. Built in constant current driving power supply to provide stable current for the light, with over current overload over voltage protection function. The high quality comes from top chip company we cooperation with. The best material of environmentally friendly we choice. Tunable CCT from 2700K to 5000k. Features AC100 277V Input voltage 4FT integrated emergency LED T8 2700K & 3000K & 3500K