This is the Nuwave Primo Grill Oven (2023 model): a countertop convection top and grill bottom oven that you can use to air fry, bake, grill, roast, steam, and broil your food. You can set the grill temperatures from 100 to 400F. It uses a 4.5-inch convection fan that is top mounted.
The Primo Oven lets you control the time and temperature any time during the cooking process. You can customize the top heater and bottom grill independently.