This is automatic version of the economy incubator which is available with precise proportional electronic temperature control. This 24 chicken egg incubator is a simple but high quality egg incubator which gives reliable hatching results of a wide range of species. It is economical to buy, and extremely simple to use-ideal for the beginners or children. It is a great incubator for the hatching eggs in the classroom or for a science project. The temperature is factory preset at 99.5F with easy tamper proof adjustment. It has a flashing temperature indicator and conventional but accurate liquid in glass thermometer. It is fan assisted air circulation, and has excellent visibility. the humidity is provided by water trays, this incubator is not suitable for use with the automatic humidity pump.