Invisible Sun’s ISH265 Type R is a 270 W LED grow light offered in the brand’s plug-and-play range. In the Type R configuration, it supplements full-spectrum white LEDs with 660 nm deep red and 730 nm far red to stimulate the Emerson effect during bloom. The fixture covers either a 2×4 ft or 3×3 ft flowering area and arrives fully assembled with a Mean Well driver, onboard dimming, and a 700×300×40 mm aluminum heatsink chassis. Retail specifications list an average PPFD near 845 µmol/m²/s and efficacy of about 2.61 µmol/J. Boards are built around Samsung LM301H white LEDs with Samsung LH351H reds.
