When installing in the vehicle, pls use below metal parts, it has 2 purposes
1. let the cable to the toward the back side
2. It can use for supporting as the device is quite heavy. It will not shake even the car has vibration.
There are few options. If there are supporting at the bottom or at the back (with angle), you can make
different installation (see below 2 video)
It can be changed the length from 50mm to 80mm
https://drive.google.com/file/d/1ybp_Ji3AL1t94PQ_KVtJO9mk_J8UiY8Q/view?usp=sharing
https://drive.google.com/file/d/1etWxYVJcbXDs8J-GP0dq8IVuBiYc0t3S/view?usp=sharing