Sorry! Should have explained:
the Brinsea's have 3 models at least in each of their range: Eco, Advanced and EX
The ranges are Mini, Maxi, Ovation and OvaEasy
Eco means, all it does is managing and maintaining the temp. No auto turning or humidity sensor and humidity manager. So you'll have to turn by hand at least 3 times a day and buy a humidity sensor to go in the incubator and monitor it yourself so you are in the right range of humidity.
Advanced means it has auto turning and a humidity sensor additionally. This means all you'll have to do it watch the humidity and give it more water when needed.
EX means that it actually maintains and manages the humidity for you (it has a pump that drops water in to the incubator to deliver the exact humidity set) additionally on top of automated turning etc.
Mini holds the smallest number of eggs, maxi the next biggest, etc for ovation and ova easy.
Here is the site that compares all the different funtions:
Brinsea choosing an incubator
Hope this helps, happy hatching