VEVOR Roll Top Chafing Dish Buffet Set, 9 Qt, Stainless Steel Chafer with 2 Half Size Pans, Rectangle Catering Warmer Server with Visible Lid Water Pan Stand Fuel Holder Clip, for at Least 9 People

The product information does not mention anything about adjusting temperature. However, it does state that the chafing dish can heat food using fuel holders and can also cool food by adding ice to the water tray.

The product description doesn't mention anything about suitability for outdoor events. However, customer reviews suggest that it is suitable for outdoor events. One review mentions, "I host lots of parties and this piece is beautiful! I recommend this buffet this pan highly!"

The product description doesn't mention if it's dishwasher safe. However, it does state that the chafing dish is made of food-grade stainless steel which ensures long durability and easy maintenance and cleaning.

The product description does not specify if the handles are heat resistant. However, it is made of food-grade stainless steel which ensures long durability and easy maintenance.

The product description doesn't mention anything about the lid sealing tightly. However, it does mention that the chafing dish has a roll top lid. Without more information, I can't definitely say whether the lid seals tightly or not.