Retractable Design: They feature an adjustable, spring-loaded coiled cord that allows staff to easily pull the lamp lower to increase heat concentration or push it up to reduce warmth and clear space.Functionality: They typically utilize high-wattage infrared heating bulbs (usually 250W to 275W) to prevent food from getting cold or losing its moisture and texture.Aesthetic Finishes: These dome-shaped shades are commonly sold in polished metallic coatings like the gold and chrome/silver models pictured here to complement restaurant decor