So I am brand new to incubating. After a long search and saving, I purchased a Brinsea Ovation 28 Eco. It arrived the day the mailed eggs did and I was able to set it up and test it for a few hours, but not as long as I liked. I got a Sensorpush Bluetooth device a few days later and placed it into the floor of the unit. The incubator's thermometer was reading 99.3 F and I was shocked on day 8 that the SensorPush was reading 95.7 F. I candeled and I found that I have good development so far. I tested the SensorPush multiple places against 3 different thermometers and humidity sensors and it was spot on. I called Brinsea and they started to walk me through resetting and calibrating the unit, but when I told them that this was the Eco, they said it couldn't be reset. He told me just to know the adjustment level and increase or decrase the unit accordingly. He also said they do their testing one inch above the floor and at the level of the 2nd and 3rd row. So here are the things I know. 1. I really like the unit. 2. My machine is roughly 1.5-2 degrees too low in reading the temp. 3. If I would have to do again, I would buy the advanced system or the one that regulates the humidity also ( they are more expensive). 4. It holds humidity really well. Without water in it, and my house being at 40% humidity, it is reading about 30%. With any water in it, it runs 65-75 %. 5. I also would have bought the bigger unit -56 6. I Love Incubating Eggs and can't wait to see what happens.