Recessed for indoor applications; recessed (ceilings, and false ceilings and niches in plasterboard); Power: 2,5W; Power supply: 24Vdc; Lumen output at source: 157 lm (3000K); Delivered lumen output: 144 lm (3000K, 29°); 1 power LED, 1/4 ANSI BIN, 50 000h L90 B10 (Ta 25°C); LED colour: 2700K, 3000K, 4000K; Optics: 17°: optical system consisting of a high-efficiency TIR lens combined with a high-quality technical filter, 29°, 52°: optical system consisting of a high-efficiency TIR lens, sharp 48°: SHARP optical system consisting of a plano-convex lens for an extremely well-defined light beam, 16°x34°: optical system consisting of a high-efficiency elliptical TIR lens; CRI: 90; Body material: radiator in black anodized aluminium acting as a cooling element. Body and recessing frame in aluminium, made entirely on a CNC lathe. Springs in C67 annealed spring steel; Finishes: body and frame painted white (RAL 9003 matt), body and frame electro-coloured black; RAL finish on request; power supply unit not included; includes 1.5 m PVC cable FROR 2x0.35/0.35 Ø3.5 m; Ingress protection: IP40; Protection systems: EPS protects fixtures for indoor applications against electrical problems. This innovation, patented by L&L, guarantees electrical protection against polarity reversal, hot plugging and voltage spikes of up to 48Vdc, which can occur if there are faults in the electrical circuit; Operating temperature: 0°C — +45°C; Maximum device temperature: 40°C (Ta 25°C); Photobiological safety: photobiological safety: risk group 1 according to EN 62471:2006; Appliance class: III; Weight: 70 g; Dimensions: Ø39x32.5 mm; Cutout dimensions: Ø35 mm; Energy efficiency class: A / A+ / A++; tested and approved via E.O.L. (End Of Line) test with functioning test and check of electrical power consumption