Black Top-Line Ultra Plus Cluster beginning set, 3 + 5 m long. The 500 lights in the fixture emit a pleasant white light. designed to resist northern Europe's harsh winters. There are two types of Sirius buildable systems: TECH, which is more powerful, or TOP, which is more flexible. Connect the desired components after starting the system using a starter set. The TOP-Line is composed of plastic, has an 80V transformer, and is intended for decoration. It consists of little lights that can connect 2000 in total. TECH-Line, which is constructed of rubber, has a 230V power cord, is intended for projects and comprises of huge bulbs that can link up to 8000 in total. Sirius remote control works with both systems.