Multiple fuel options for maximum cooking versatility Cook with wood or charcoal out of the box, or use gas with the Gas Burner for Ooni Karu 16 (sold separately) Reaches 950°F (500°C) in just 15 minutes New hinged oven door design with ViewFlame™ technology to boost visibility Mounted digital thermometer displays internal ambient oven temperature (batteries included) Large cooking area fits up to 16-inch pizzas and other substantial cooks