You are buying pack of 4 Tube light | 5 year warranty, 50000 hrs
Works with or without Ballast. Not compatible with inductive ballast (traditional, old style, not LED) Plug and Play. Removing ballast will help save energy.
Highly Efficient. 100+ Lumen per Watt. Eco-Friendly, Energy Saving. Save up $300 over the lifetime of each tube.
Dual-Ended Power. Don't need to replace lampholder. Remove starter/bypass ballast, then plug in and it can be used right away. No extra replacement parts needed.
For your safety, LED Channel Sign products are UL-listed [E346471] to avoid electrical shock and fire hazard