Yearld Pro 640W is a full‑spectrum LED grow light from Yearld aimed at indoor cultivation across veg and flower. The product name denotes its 640‑watt class, aligning with common bar‑style fixtures in this range. Retailers carrying the Yearld Pro line list adjacent models (e.g., the Pro 660W) with 5×5 ft flowering and 6×6 ft vegetative footprints, and 640‑watt fixtures are typically deployed over 4×4 to 5×5 ft areas in tents and rooms. This places the Pro 640W in a coverage band suitable for single‑fixture 4×4 ft flowering or more forgiving 5×5 ft layouts depending on intensity targets and hanging height. Brand presence is verified via trademark records and multiple retailer catalogs.
