Surface mounted luminaire for walls. Direct-/ indirect light distribution with topside dust cover. Opal diffuser made of frosted methacrylate for enhanced light transmission and uniform illumination. Extruded aluminum housings without visible seam, finishes: white (RAL9003) or silver (RAL9006) powder-coated. Optional drivers: Direct/indirect switched together or 1-10V dimmable together. Evenly spaced premium LEDs provide uniform illumination combined with highest efficacy standards. Factory-programmable drivers offer 2 standard output levels. Standard color temperature: 3000K, 3500K or 4000K. CRI>80. On request: Wide range of special color temperatures (2700K-6500K), special surface colors, CRI>90. 5-year warranty on all electrical parts. 80% of initial light output for 50,000 hours. Direct access to integral drivers and LED circuit boards ensures hassle-free installation and maintenance.