Square tube courtyard lamp picture

Quick answer：

Square tube courtyard lamps are a type of outdoor lighting fixture designed for use in courtyards, parks, or other open spaces. They typically feature a square tube design that provides a modern and sleek appearance. These lamps come in various sizes and can be mounted on walls, posts, or poles. They often have a built-in LED light source for energy efficiency and come in different color temperatures and intensities to suit different lighting needs.