California LightWorks’ GH Pro 340 is a 340‑W, greenhouse‑specific LED bar designed as supplemental, low‑shadow lighting. The fixture uses top‑tier Osram diodes on two independently dimmable channels (full‑spectrum white/blue and 660 nm red) controlled over Bluetooth Mesh, and it integrates with a wireless photo sensor for automatic light‑balancing with the sun. The linear, passively cooled, IP65‑rated housing minimizes maintenance and wiring: drivers are on‑board and up to 10 fixtures can be daisy‑chained to a single power drop. Output has been laboratory measured around 890 µmol/s (≈2.6 µmol/J), and manufacturer literature specifies up to 3.0 µmol/J. The unit measures roughly 34 x 3.2 x 3.2 inches and weighs about 8 lb (3.6 kg). Intended for greenhouse rows, actual coverage depends on bay spacing and target PPFD.
