Description: PICTURE WINDOW, HOVA-BATOR INCUBATOR Top has large clear plastic window for best viewing of the incubating and hatching process. Picture Window is double plate plastic with air space insulation to help eliminate moisture buildup, which would obstruct viewing. Large viewing area is ideal for classroom work, science projects, advertising and promotional work, and for group observation of the hatching process. Will hold any size egg, from 120 small quail eggs, up to 42 large duck eggs. Thermometer, wafer thermostat and clear plastic bottom liner are standard equipment. Dimensions: 18" X 18" X 7 1/2", 110 Volt AC, 25.3 Watt (220 Volt available for export).