Juno Lighting Group R521W-WH Flat Back Line Voltage Cylinder Track Head features a White head and a White stem which blends inconspicuously with the ceiling that provides superior versatility with the ability to direct the light where you need it most. The R521W-WH can be used as a task light or accent light, depending on what your preferences are. The ability to adjust the head accordingly gives you opportunities to adjust the light to fit your needs after installation. R521W-WH comes one per package, and requires one 30-50W R20 lamp or 35-50W PAR20 lamp. Compatible with Trac-Lites track and components (not included) and can be purchased separately from Juno Lighting. Whether you need Juno, Indy or another of the six leading brands that form our product family, you can rely on Juno Lighting Group for these important attributes: Products with superior quality and performance, innovative, award-winning designs, energy-efficient lighting solutions and advanced system controls, state-of-the-art technical expertise, and last but not least - people you can count on.