This LED strip light is battery powered usb operated and comes with a USB cord and a battery pack and a remote controller. It is very easy to set up and get started using. Works outdoors as well as indoors. The LED makes it so it does not get hot to the touch. We used it for around one of our tree trunks and it lights up a ring at night. It changes several different colors and if we don't like a color we can change it without getting up by using the remote controller. It can be used for background lighting as well inside the house, behind a televison set or under a cabinet.