Bell spotlight, black cylindrical shape Ø7.0 / 13.6 cm. Aluminum with LED light source. (Item no.: 5951-00) PAR16, 5 W, GU10 socket, 360 lumens, 3000K. New light sources can be purchased separately. Single-phase tracks serve as both holders for spotlights and conductors of power. The tracks conduct power in a single phase, meaning all spotlights on the same track are either on or off.