These rapid cook ovens have combinations of heat methods to cook foods with precision and speed. Single deck. Split belt. 20" cook chamber. Variable speed motor. Idle mode. Built-in self diagnostics. Smart voltage sensor technology. Cool to touch covers and panels. Stainless steel front. Top. Sides and back cool touch exterior. Stainless steel interior. CULus. CE. UL EPH Classified. ANSI/NSF 4. TUV (ventless).