DIGITAL STILL AIR INCUBATOR WHITE Digital display - shows temperature humidity and days to hatch Incutek heatereater - heats to factory pre-set of 100 f within minutes Days to hatch countdown - set at 21 days. Adjustable for a variety of eggs Hi/lo temp notification - light flashes when outside of range(103 f) Large picture window - provides 360 unobstructed view inside incubator. Great for educational observation Deep bottom tray - to accommodate even large duck & goose eggs