Light4U Challenge II 60×60 is a recessed, backlit LED panel with a UGR of <19, designed for low-glare general lighting in offices, hospitals, schools, shops, and production areas. With a luminous output of 4200lm and a system efficacy of 140lm/W, it delivers bright and homogenous illumination while integrating seamlessly into standard ceiling grids.
Available in 3000K and 4000K with CRI>80. Equipped with a Wieland 3-pole connector and 0.5m cable for quick installation. Control options include on/off, phase-cut, 1–10V, DALI, or Casambi. Optional accessories include suspension kits, surface-mount frames, or recessed frames for plasterboard ceilings. For a rectangular version, see the Challenge II 120×30.





