... need twenty one days to hatch the eggs to chickens; egg incubator2, this quotation is for the small quantity, if you ... .1-99.9 hours, Adjustable (Factory Settings:1.5 Hour)Egg Turnover Time: 1-255 Seconds, Adjustable (Factory Settings180 Seconds)Ventilation ... Power: 160-240V,ACRelative Humidity: <85%Environmental Humidity: -10-40 egg incubator