Harvest Master HM Pro RB 330 is a full‑spectrum LED grow lamp in the brand’s Red Boost line. It uses Edison diodes with an added 660 nm deep‑red component and Mean Well drivers, aiming for high efficiency and simple, passive‑cooled operation. The unit draws 240 W at 220–240 V/50–60 Hz, with an efficacy specified at 2.13 µmol/J and listed PPFD around 925 µmol/(m²·s). The housing measures 47 x 31 x 11.5 cm and weighs 12 kg. Typical pairing and kits position it over an 80 x 80 cm canopy, suiting compact spaces or single‑plant tents. The RB 330’s LED lifetime is rated at 50,000 hours. Details and imagery are supplied by a brand‑named retail PDP and Harvest Master’s own RB series page.
