Linkable Led Utility Shop Light From Ensenior, 4 Ft, 4400 High, Etl Certified. Product Details ?Premium Quality - Ensenior?s 5000K 4ft led shop light is ETL certified, with UL-Listed cords, built-in power source and high standard switch , thicker tubes to ensure long-lasting experience, offering you safer and more reliable procucts! ?Super Bright - Our 4 ft shop light can provide 4400 high lumens with only 36W. It is an amazing LED efficiency of 122 lm/w! Excellent replacement for old fluorescent lamps! Energy saving of up to 80%. ?Easy Installation - Plug Play. These 4FT led shop lights can be directly mounted to the ceiling or suspend from the ceiling in your garages, workshops, basements, etc. Quick and easy setup. ?Linkable - Up to 4 of these 4 shop light led can be connected together seamlessly with accessories provided. Daisy chain design and no additional wiring. ?Ensenior?s Promise - Our 4? led shop light has 5-year warranty and you can get 12-hour prompt after-sales response anytime! Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.