Here's the official description:
Brinsea The Brinsea Mini Eco manual turn incubator is the smallest egg incubator available with precise proportional electronic temperature control. This 10 chicken egg incubator is a simple but high quality egg incubator which gives reliable hatching results of a wide range of species. The clear walls of the egg chamber mean fantastic visibility of the hatching eggs without lifting the lid and the fan-assisted design coupled with detailed airflow analysis results in exceptionally even heating of the eggs to ensure consistent and reliable hatches. Temperature is monitored on a purpose built liquid-in-glass thermometer and although factory set, the electronic temperature control allows fine tuning of the temperature setting if required. Humidity is provided for with central water reservoirs. Economic to buy, extremely simple to use the Brinsea Mini Eco is ideal for beginners or children and a great incubator for science projects. Specifications: -Temperature factory preset at 99.5F with easy tamper-proof adjustment.