design: The catering food warmer features a stainless steel lampshade. There are evenly distributed holes around the periphery of the lamp holder to dissipate heat evenly, providing a sturdy and long lasting construction. Uniform heating: The lampshade diameter is 290 mm and the irradiation range is 440 mm, covering the heating needs of most foods. It is equipped with a 275 W bulb to improve heating uniformity. Keep food warm: The warmer maintains a uniform temperature to preserve flavor and prevent the food from drying out, helping to maintain freshness and deliciousness. Telescopic adjustment: The commercial food warmer for restaurants offers an adjustable design. The elastic spiral wire can extend from 60 cm to 180 cm, providing adjustable height with many extension cycles and long service life. Wide application: Suitable for use in school canteens, hotels and restaurants, cafeterias, Chinese and Western restaurants, and family kitchens. It keeps food warm for extended periods. Use scenario: In a school cafeteria or hotel buffet, place the lamp over serving dishes to ensure continuous warmth as foods are replenished. Use scenario: In a restaurant pass or buffet line, the adjustable height accommodates different serving setups while maintaining consistent heat for a smooth service flow. Use scenario: In a home or family catering kitchen, the extendable length allows placement from the prep area to the serving area, helping keep dishes warm during parties or gatherings.