Invisible Sun’s ISH530 V3 Evo is a 530 W full‑spectrum LED fixture aimed at a 4 × 4 ft flowering area (up to 5 × 5 ft maximum). The V3 Evo revision adopts Samsung LM301H Evo diodes with a 435 nm blue spike plus Samsung LH351H V3 660 nm deep reds, totaling 1,088 LEDs (1,024 white + 64 red). The unit measures 700 × 600 × 40 mm, uses a Mean Well 480 W driver, dims fully, and is manufactured in the UK. Retail specifications cite approximately 3.14 μmol/J fixture efficacy and a minimum 60,000‑hour lifespan. Typical use cases include compact 1.2 m tents replacing 1000 W HID. A 3‑year warranty was standard.
