Grumbach the #1 Incubator.... Incubate any size eggs....Conures to Macaws and Cockatoos!! adjustable rollers turn the eggs..adjustable temperature and humidity.... If you are a breeder you have heard of Grumbach...It is highly respected.....the digital readout on the front does not work....It is only a readout so does not create any problems...Comes with a Grumbach thermometer visible from outs...