This is a heavy-duty microwave oven with a power of 1800 watts and a capacity of 1.2 cubic feet. It has overall dimensions of 22-3/5"W x 20-3/4"D x 14-1/2"H and interior dimensions of 14-1/8"W x 16"D x 8-3/4"H. The oven features a side-hinged door with a glass window and has (10) menu pads with the ability to program (100) menus. It offers (5) power levels and 3-stage cooking. The interior is equipped with a commercial oven light. The touch pads are ADA compliant with Braille. The oven has dual magnetrons and is made of stainless steel construction. It operates on 208/230v and has a power of 1800 watts. It is cULus, FCC, and ETL-Sanitation certified. The standard features include 5 power levels, 3-stage cooking, interior oven light, a 60-minute max cook time, touch control keypad with Braille, programmable and manual operations, stainless steel construction, and a cleanable/replaceable air filter (WMO120 only). It also has 10 programmable memory pads and 100 programmable settings. The WMO90 model has a capacity of .9 cubic feet, operates on 120V, and has a power of 1000W. The WMO120 model has a capacity of 1.2 cubic feet, operates on 208/230V, and has a power of 1800W with dual magnetrons.