More space and hotter temperatures For those who want to concentrate on the essentials when barbecuing Char-Broil's Convective 640 XL-B offers even more space and hotter temperatures on the integrated sear zone which seals the meat without drying it out or burning it. What stands out . Seal meat without drying or burning on the Sear Zone6 burners with 3kW output and 2kW side burnerHeavy duty design with a two-year warrantyCast iron grids deliver authentic grill linesHigh-quality stainless-steel BBQ finished in blackSizzle food up to 350. °. c on this propane gas BBQWheels for easy movement between garden and storage