This unique smokehouse ensures an even temperature (no fluctuations), eliminating high-temperature gasses , acids and resins that can distort the flavor of food. Instead, it offers slow, low-temperature roasting (140°F - 320°F) for succulent results every time. Made of stainless steel with an stainless steel interior. This model comes with a user guide, cookbook , a one year warranty and four 11” x15” cooking racks. Please see the specs button for a list of features. Smoker cover (SKU# 100012) sold separately.This item ships directly from the manufacturer. Product usually arrives in 14-21 business days, depending on destination, including order processing and shipping.