Durable hard plastic outer shell protects incubator and is easy to clean | Automatic egg turner turns the eggs completely every 4 hours to eliminate manual handling and improve hatch rate (41 egg capacity) | An integrated fan pulls in and circulates fresh air to stabilize temperature and improve hatch | An easy to read digital display shows temperature, humidity, and days to hatch (adjustable for a variety of eggs) | High/low temperature notification light flashes when temperature is below 97°F or above 103°F | Includes egg candler to monitor development progress of the eggs | Large picture window provides a 360° unobstructed view inside the incubator