Dang. Was looking here for a decent scope cam and found this thread. I have a ZCO 420 and wanted a non-bulky camera. I see from their website they have a v2.1 coming out next month. I wonder if that will address the ZCO fitment issues.
The model of the camera itself is: Tactacam 5.0
Actually, there are two versions of Tactacam 5.0. One is like the picture above: with power button flush with the corpus of the camera. The other is like the picture on the link from their website below.
I was told by their CS that there is no difference in function between the two, just in these slight design changes.