The Brinsea Mini Advance incubator will incubate up to seven standard size chicken eggs and up to 12 quail/pheasant eggs. You can also hatch duck, Amazon and Macaw eggs in this incubator. It has a turning tray to make it fully automatic. You can remove the tray, turn off the auto turn feature and turn the eggs manually if you so choose. It also monitors the temp and controls it but does not have humidity controls. There's a water reservoir in the center of the unit. In auto turn, you can adjust the turn interval and the turn angle according to the egg size. It comes with one turning tray for seven hen/duck eggs. You can purchase a tray for 12 quail/pheasant size eggs separately. Instructions that come with the unit are very detailed and complete.