DimLux Xtreme Series 550W LED +NIR MKII ION is a professional 6‑bar fixture for indoor canopies up to 1.62 × 1.62 m. It uses the adjustable PhytoVegSpec spectrum with added far‑red (NIR) and can be controlled via the onboard color display, Smart Remote, Maxi Controller, or its internal controller. The luminaire outputs up to 1965 µmol/s (PPF) with total photon efficacy up to 3.4 µmol/J, and draws 578 W at 230–240 V. Deep‑penetration, high‑transmittance lenses improve canopy reach, while passive cooling and an IP65 housing support reliable operation. A Doppler proximity sensor and a patented negative‑ion/cold‑plasma generator are integrated. Size is 833 × 844 × 57 mm; weight 12.4 kg. Rated L90 > 50,000 h and UL 8800/UL 1598 wet‑location listed.