The Top-Line starter set from Sirius is a round plastic hose with LED light inside, also called "ropelight". As it looks like a rope/rope with a light in it. For the "rope" is 1.5 meters of cable without light with an attached plug for 230V connection. In Sirius's Top-Line series, up to 2000 LED lights can be connected to each other. Is approved for use indoors and outdoors. Since the series is direct 230V, no transformer is required.