Upgraded Design - Scientific design as D-Shape, the upgraded 4ft led shop light is very cost-effective, has triple rows LED chips and 300 degrees emitting angle, ensured higher lighting efficiency and wider lighting range, illuminate the dark corners. Super Bright - The 4ft led shop light bring you 6300LM high brightness with only 48w low power consumption, high output up to 130lm/watt. Excellent luminous efficiency can help you save on electricity bills. Easy Installation & Linkable - Comes with on/off switch power cord and extension cord, plug and play, and also can be hardwired. You can connect Max 6 lights in a series. Reliable & Long Lifespan - ETL listed, reliable quality and long lifespan up to 50,000 hours.