Temperature Adjustable:Egg incubation box with a "warm jacket" saves energy and maintains temperature balance,so normal hatching in lower temperature environments. Mini egg incubator with sinks can effectively increase or decrease incubation humidity manually. Transparent Cover:This egg incubator uses transparent cover that you can see the working principle of equipment and hatching process with the transparent cover. Wide Range of Use:This incubator is suitable for all kinds of chickens, ducks, quail, geese, birds, pigeons, etc. It can hold 7 eggs of normal size when hatching.