LED free-standing luminaire for interior, including: Steel sheet head, extruded aluminium profile post, steel sheet base, powder painted. Angle of the lamp head adjustable using a set screw. Practical U-shaped base enables luminaire to be positioned flexibly and flush to a writing desk. Micro-prismatic diffuser for efficient light diffusion, glare reduction and a high uniformity. Direct-indirect light distribution. Colour rendering index Ra > 80. Colour tolerance according to MacAdam ≤ 3 SDCM. Direct share of light dimmable, colour temperature 4000K. Direct and indirect portions simultaneously dimmable (versions in 4000 K with sensor). Complete with flexible power cord with plug. VDU application suitable acc. to EN 12464-1. Sensor device available with task oriented PIR detector and daylight control. Light colour and brightness of indirect light share manually adjustable via Tunable White control. Light colour and brightness of indirect light share automatically adjustable via HCL (Human Centric Lighting) for wholesome and performance-enhancing management of the biorhythm. 3000 K colour temperature version on demand. The XL version is suitable for simultaneous illumination of two workplaces. D+ version: The direct light section is increased, dimmable, with colour temperature 4000K. The TWIN version is suitable for simultaneous illumination of two workplaces. TWIN version: switchable/dimmable direct and indirect light section. TWIN version: individual lighting control system for individual luminaires available on request. Special colour versions available upon request. For the innovative lighting technology of these lights patent is applied for (No. 10201511701.2).