Single Spotlight Inset for 48V Low Voltage System; ON-OFF Driver/0-10V Dim Driver/ DALI Dim Driver; System Power 10W; measurements Ø72mm x 60mm; tool-free installation by magnetic+click-in double locking mechanism; high color rendering at an index of CRI90; after a lifetime of 50000h L80B10 min. 80% of the luminous flux with energy efficient CITIZEN LED Chips; 5 years warranty; beam characteristic with 36° beam angle; lighting perfectly suitable for reading, writing as well as computer and control work with UGR<19; degree of housing protection IP20