Realistic 3D Render of Vertical Traffic Signal

realistic 3D product render of a vertical traffic signal with three stacked square black housings, red light on top, amber yellow light in the middle, green light on bottom, all lenses glowing brightly with visible LED grid cores and concentric ribbed glass texture, glossy black metal sun visors curving over each lens, rounded rectangular casing with corner screws and beveled edges, side mounting brackets visible, mounted on a dark metal pole, centered close-up portrait framing, slightly low angle perspective, clean pale gray studio background with subtle vignette, crisp reflections on polished black surfaces, high-detail industrial design, photorealistic, sharp focus, soft diffused studio lighting, dramatic but clean commercial product photography look