Large 290 mm diameter lampshade provides ample heat coverage for most foods, helping keep dishes warm without worrying about small lighting areas. Geartype shift switch offers safe, convenient operation with a modern, stylish appearance. Heat dissipation holes distributed around the lamp cap improve cooling and extend the lamp's service life. Widely suitable for cafeteria, hotel, restaurant and similar settings; designed to help prevent cooked meals from cooling down quickly. Extendable design notes: Can be stretched to 180 cm in length. Practical lifting length is 130–150 cm due to the lamp's weight. Avoid extending to the maximum limit when possible. Use scenarios: Buffet lines in cafeterias or dining halls to keep multiple dishes warm during service. Hotel dining rooms or breakfast areas to maintain warm meals at serving stations. Restaurant front counters or selfserve stations at events and banquets.