The progress is inevitable. And we, at Light4U, are unstoppable. Therefore, the popular Challenge series enters a new stage. The new Challenge II 120×30 LED panel delivers higher efficiency, increased lumen output, and highly efficient illumination with a long lifetime, while maintaining the same design, dimensions, and installation options you already trust.
This performance upgrade makes it ideal for offices, corridors, healthcare facilities, educational buildings, and commercial interiors where reliable, low-glare, and energy-efficient illumination is essential.
What has changed
Higher lumen output. Now 4200Lm (previously 3600Lm).
Improved system efficacy. Now 140Lm/W (previously 120Lm/W).
Backlit technology. Upgraded from edge-lit to backlit for higher uniformity and better thermal management, supporting long lifetime and consistent visual comfort.
What stays the same
Installation options. Recessed as standard, with accessories for surface-mounted or suspended applications.
Design, installation & dimensions. Unchanged 1195×295 mm size for T-ceilings, ensuring easy retrofit, default with Wieland connection.
Visual comfort. Low-glare performance maintained at UGR<19.
Controls. On/Off, 1–10V, DALI, Casambi.
CCT options. 3000K or 4000K with a CRI of>80.
Accessories. Surface frames, plasterboard recessed kits, and suspension sets.
Square version available
For grid layouts, choose Challenge II 60×60 with a 595×595 mm panel size. It offers the same high-efficiency illumination, long lifetime, and trusted design.
Ready for your next project
With Challenge II 120×30, you get higher performance, higher uniformity, and a long lifetime while keeping the familiar installation and dimensions that simplify planning and replacement.
