Regardless of sitters or hosts opinions on this forum , monitoring devices that monitor pets inside the home ( e.g this one in OP that provides live location inside the home , audio recording and monitors the pets when sleeping ) are not permitted on a THS sit.
The terms of service state that
5.2.15. follow our Camera and Recording Devices Policy. This includes having no internal recording or monitoring devices enabled during a Sit
With increased popularity of GPS trackers, anirtags and things like Furbo , THS may need to update THS policy to clarify if monitoring of pet while indoors is permitted if it is disclosed in the listing.