Full Size Combi-Oven - Boilerless, 208v/3phProduct Details Can be used with convection, steam, or a combination of both Direct steam optimizes production and cooking capability 3 knobs for humidity, time, and temperature control Temperature range: 80 450 degrees F Humidity range: 0 100 percent Timer range is continuous up to 23 hrs. 59 min. Flashing door lights and an audible alarm system alert the user when the cooking cycle finishes Patent pending humidity level control adjusts automatically