DimLux Xtreme Series 550W LED MKII ION is a full-spectrum, bar-style fixture engineered for professional indoor cultivation. It draws 578 W and outputs 1965 µmol/s (PPF) with up to 3.4 µmol/J PAR efficacy, using the adjustable PhytoVegSpec spectrum. The MKII ION integrates a patented negative ion/cold-plasma generator, deep‑penetration optics and an auxiliary Light Pipe, plus radar proximity sensing. Control options include an internal controller, Smart Remote, or Maxi Controller, with three Smartports for sensors. The IP65-rated aluminum fixture measures 32.8 × 33.2 × 2.2 inches (83.3 × 84.3 × 5.6 cm) and weighs 12.4 kg, with L90 lifetime over 50,000 hours. DimLux states the Xtreme MKII delivers ultra‑high PPFD evenly over a 1.62 × 1.62 m grow area. Certifications include CE, UL 8800/1598 (wet), and DLC.