Sayhon is a horticultural LED grow‑light brand supplying panel and bar fixtures for indoor cultivation, including cannabis. The company positions itself as research‑ and production‑focused, serving greenhouses, controlled‑environment agriculture, and research chambers. Sayhon states it launched Wi‑Fi–controlled bar lights and quantum panels in 2010, and it lists a U.S. warehouse to support North American delivery. Product pages highlight OSRAM diodes, full‑spectrum outputs with switchable UV/IR bars, dimming, and coverage aimed at common 3×3‑ to 5×5‑ft tents. The SAYHON word mark is registered in the United States to Shenzhen Fonyun Technology Co., Ltd., indicating Chinese ownership and manufacturing. The site provides a Walnut, California contact and notes shipping from U.S. and China warehouses, along with basic manuals and cultivation articles tailored to cannabis growers.
