Square recessed ceiling downlight made of die-cast aluminium; LED Power 4W; measurement 55mm x 55mm; ceiling cutout of 45mm x 45mm with a narrow mounting trim; CCT 4000K; high color rendering at an index of CRI90; after a lifetime of 50000h min. 80% of the luminous flux with energy efficient CREE LED Chips; 5 years warranty; beam characteristic with 24° beam angle; lighting perfectly suitable for reading, writing as well as computer and control work according to DIN EN 12464-1 (UGR<19).