@ UPDATED PLUG AND EASY INSTAL: The under cabinet light bars are very easy to mount and connect. 2 sided adhesive double sided tapes and screws are included as well. @ BRIGHT LED LIGHT BAR: 3W kitchen light bar provides sufficient lumen output to illuminate a kitchen under cabinet or a counter. @ LINKABLE INSTALLATION: There are 2 types of linking cables provided for installing the under cabinet lights flexibly. One cable is 5.9 inch, the other cable is 20 inch.