S1 Steam Oven features an industry-first roof-hidden handle design, full glass design on the inner door and external panel, STS cavity with seamless welding, a hidden heating pipe, and an extra-large window. Thanks to its compact design, S1 has a very slight volume with the same capacity or more than its competitors. It saves a huge amount of space of the kitchen, so that the user never has the feeling that this oven is in the way.