Kit contents: Contains one starter kit (8025045), two extension kits (8026025), one additional rail (8028005) and two corner connectors (8029005), all in black Lighting power: the kit includes eight adjustable spotlights in total, which provide powerful and targeted lighting for different areas of the room Rail system: 5m rail layout with two corner fittings allows flexible installation around two corners, U or Z Flexibility: the spotlights can be individually oriented to accurately illuminate different areas of the room This product is a surrounding product. Wrap-around products are luminaires that can be disassembled for separate control of the light source(s) they contain. This product contains a light source of energy efficiency class G