20 Pack 3CCT 4FT LED T8 Hybrid Type A+B Light Tube, 18W, 4000K/5000K/6500K Selectable, Plug & Play or Ballast Bypass, Single or Double End Powered, 2300lm, Frosted Cover, T8 T10 T12, 120-277V, UL, FCC

✅ 3 Colors in 1 – Our led tube lights offers you the option of choosing your color temperature directly on the fixture. With the flick of a switch, you can choose between cool white(4000k), daylight(5000k), and super bright white(6500k) to find the perfect color temperature for any space and any job with only keep one tube on hand.
✅ Work With or Without a Ballast – This tubes are designed to work in a plug-and-play fashion with your current fluorescent ballast or without a ballast (direct installation). Check the ballast compatibility full list of fluorescent ballasts that are compatible with these LED tube lights.
✅ Single or Dual ended Connection – This 4 foot T8 LED bulbs convenient for installation with a single-ended or double-ended connection. They work best for your garage, warehouse, or office storage areas, fabrication floors, retail spaces, hospitality.