This microwave has a stainless steel interior and exterior that is durable and easy to clean for years of commercial operation. There are five power levels which include: Hold, Defrost, Medium, Medium-Hi and Full for added preparation flexibility. The unit also comes with 10 programmable timing pads and electronic touch pads for simple, one-touch operations. Time entry option. Digital display with countdown timer. Large 1.2 cu. ft. interior. See-through door and lighted interior.