Homdox New Digital Mini Hatching 7 Egg Incubator Chicken Duck Egg Incubator Egg Hatcher The incubator holds 7 eggs and is easy to clean and simple to use. It is a clear window surrounding the eggs you'll be able to see the entire incubation process without interrupting. Digital display shows important information such as current temperature. Digital temperature controls allows for temperature settings and easy operation. Voltage: AC 110V / AC 230V. Temperature: 381. Size: 17.5 x 16cm/6.8 x 6.2inch (L x H).