Okay, well... I received the goniometer and the battery began to die within an hour or two of use. When I went to replace it, I tried to pull it out of the device, and the metal battery housing disconnected from its solder points leaving the device non-functional.
I emailed Gritomatic's support address three days ago with this information and picture, but they have not responded. In fact, the first I have heard from them is this email asking me to review it.
So, here you go. Here's your revie...