Light4U Challenge 120×30 is a standard recessed UGR<19 LED panel for professional interiors that require clean integration and comfortable general illumination. With a luminous output of 3600lm, it is ideal for offices, shops, schools, and healthcare environments that demand uniform, reliable and low-glare illumination in a compact rectangular form.

Available in 3000K and 4000K with CRI80. Control options include on/off, phase-cut, 1–10V, DALI, or Casambi. The panel has a Wieland 3-pole connector and 0.5m cable for quick installation. Optional accessories include suspension kits, surface-mount frames, and recessed frames for plasterboard ceilings. Different connection cables are available upon request. For a square version, see the Challenge II 60×60.