all they have to do is look at the cable and cut it, the cable will be more likely to be found, they will look at the fuse box to disconnect the dash cam and this gps tracker, they also check the ODB port as some gps trackers use that port also.
The battery powered ones does the same thing, monitor in real time on an app you can have on your phone.
Just a quick search online showed this - https://www.amazon.co.uk/Winnes-Location-Tracking-Portable-Real-time/dp/B09BZKL3XF/ref=sr_1_4?keywords=gps%2Btracker%2Bbattery%2Bpowered&qid=1642955506&s=electronics&sr=1-4&th=1
you can shuve it anywhere and dont have to worry about the install and cables being shown, their gonna check your fuse box anyway. Just charge the thing once a week or 2 weeks whatver it is - 10,000 mah battery