SunLight Quantum Board LED 400Watt from SunFlux is a full-spectrum horticultural LED panel for veg and bloom. The 400 W fixture delivers a PPF of about 1050 µmol/s at an efficacy around 2.6 µmol/J. The 60 × 60 cm board combines 3000 K and 5000 K white diodes with 660 nm deep-red and 730 nm far-red for balanced growth and flowering. Recommended coverage is roughly 120 × 120 cm at 30 cm hanging height for flowering, expanding up to 180 × 180 cm at 60 cm for seedlings. It includes a waterproof driver with 1–10 V dimming, a 1.5 m power lead, and hanging kit. Rated lifetime is 45,000 hours, with IP65 protection and CRI around 87.