Fueled by real wood or charcoal Ooni Karu 12 cooks authentic wood-fired stone-baked pizza in any outdoor space in just 60 seconds. Ooni Karu 12 is also gas compatible simply order an Ooni Gas Burner attachment to extend your fuel options. Ooni Karu’s custom-designed fuel tray maximizes airflow and delivers a powerful blast of searing flame - load it up with real wood or charcoal with no excess ash to clean. Weighing just 26.4lb (12kg) Ooni Karu 12 offers portability plus all the power and heat of a larger wood-fired oven. Ooni Karu’s stainless steel body is ceramic fiber-insulated with an extra-thick Ooni Baking Stone and patented flame keeper for maximum heat retention.