HM Pro RB 175 is a compact LED grow lamp from Harvest Master for 60x60 cm spaces. It draws 160 W and uses Edison full‑spectrum diodes with 660 nm deep red. PPFD measures 980 μmol/m²/s at 50 cm and 730 μmol/m²/s at 70 cm. The unit is 31 x 31 x 11.5 cm, 8 kg, and rated for 50,000 hours. Efficiency is listed at 1.85 (PPFD/W) over a 60x60 cm test area. Recommended hanging heights: 90 cm (seedlings), 70 cm (veg), 50 cm (bloom). Mean Well drivers are used, and the series carries a 3‑year warranty.
