What is this?Used for connecting two LED tube lights together. Perfect replacement for helping you light up your home or office.What will I get?Are there any advantages of the product?Made from plastic and copper material, copper has good electrical conductivity.How to use it?Easy to use, plug the pins into the led tube light directly, no need for using other tools.What should I notice?Compatible for lights, but please check the specification image before buying, especially the hole distances.