vidaXL Halogen Convection Oven with Extension Ring and Digital Timer 1400 W 17 LWith this halogen oven, you can prepare a delicious, vitamin and nutrient rich meal in less time than with traditional methods. The halogen oven bowl is made of glass, so you can clearly observe the cooking process. It has a large capacity of 12 L + 5 L (with the included extension ring) to accommodate large quantities of food. The oven cooks food by circulating the hot air around the food evenly and thoroughly, and thus requires less cooking time