The Jackson NEMESIS 250w

The Jackson NEMESIS 250W is a dimmable LED grow light from The Jungle designed for both vegetative growth and flowering. The 30x60x10 cm panel combines 728 Samsung 281B+ PRO full‑spectrum LEDs (3000 K, CRI>90) with 52 Osram Duris S5 purple diodes, plus 16 deep‑red 660 nm and 16 UV 405 nm emitters, totaling 812 LEDs. Typical PAR output is about 559.4 µmol/s at ~2.6 µmol/J efficiency. Coverage is specified around 60x100 cm, with an adjustable driver and daisy‑chain connectivity to fine‑tune intensity. The fanless aluminum heatsink keeps temperatures low, and a 1.5 m IEC cable is included. The fixture is designed and manufactured in Europe and is rated for a 60,000‑hour service life.