Led retro fit upgrade geartray for mains and emergency use, 12 watts to 31 watts with dimming options. Zalex is a high quality led plate for use in new bulkhead luminaires or for upgrading existing fittings from CFL to LED. Zalex will consume up to 50% less energy as compared to 2D lamps for a … Continue reading ZALEX – LED MAINS & EMERGENCY UPGRADE TRAY