4FT Linkable LED Shop Light 42 Watt Garage Workbench Ceiling Lamp 5000K Daylight White 3700 Lumens Lamp Fixture 64w Fluorescent Equivalent ETL Listed Super Bright - This LED Shop Light provides 3700 Lumens at 5000K Daylight White. That is a staggering LED Efficiency of 88 lm/w! Wide Application - Widely installed in garages, workshops, workbench areas, storage areas, warehouses, basements, equipment rooms, etc. Easy Installation - Uses plug connection to link up multiple lamps. Hanging hardware included for an easy installation. 5 Year Warranty - Hykolity's 5-Year Warranty means we got you covered! Contact us if any issue arises.