Multi-Layered Design: The main body of the smoker is divided into three layers, so the bottom can be used as a fire pit and the adjustable barrel grill is ideal for steaming, grilling, baking or roasting. Thermometer & Adjustable Air Vent: In order to better observe and control the temperature, this BBQ grill is designed with a built-in thermometer with detailed scale. Combined with the adjustable air outlet on the top, you can control the air flow to maintain a steady temperature for the best cooking experience. Spacious Cooking Space: This vertical smoker features 2 cooking racks with 342 square inches cooking surface, which can accommodate large pieces of meat or ribs. And the iron support with 3 sturdy hooks is high enough to hang large breasts, chicken legs, turkeys and other food inside the lid.