? Super Bright - 4FT led shop lights feature 4400 lumens brightness at 5000K Daylight White by using only 42W. That is a staggering LED Efficiency of 105 lm/w! Excellent replacement of conventional fluorescent fixture. Energy Savings of up to 75%. ? High Quality - ETL certified for better quality, safety and reliability. This long-lasting LED shop light provides up to 50,000 hours of light before any maintenance is required.Open-frame design — no plastic cover to block light or trap heat. ? Linkable - 4ft linkable led shop light use plug connection to connect up to 6 pcs together in your garages, workshops, workbench areas, storage areas, warehouses, basements, equipment rooms, etc. ? Easy Installation - Plug & Play. Come with 59" power cord with on/off switch (push button on cord) and other small accessories. You can hanging it with the included hanging chains or directly mounted to the ceiling with the included mounting screws. "? Our Warranty - All our's shop lights are confidently guaranteed for 5 years! We aim for quality followed up with quality customer service directly provided by manufacturer. "