You are buying 4 piece of tube lights pack | 5 year warranty, 50000+ Avg
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