Description: TOGUARD Backup Camera 10" Mirror Dash Cam, Dash Cam Front and Rear Full Touch Screen Video Streaming Rear View Mirror Camera,Night Vision Waterproof 1080P Rear Camera
Lowest price ever on amazon.
It has 907 ratings with a 4.4 star average. It is a mirror so it is more inconspicious than a regular camera. It can monitor the car when it is parked.
https://www.amazon.com/TOGUARD-Backup-Camera-Streaming-Waterproof/dp/B07PFPJ2DJ