Hi, BinB1954.
I appreciate your interest in various Wyze camera installations. Below are some pictures of posted and unposted installations of V2 cameras. Also, I have posted some ideas for contact and motion sensors. Various links are provided.
If you want to look at some of the other stuff I have done, check out the links below:
Double camera mount?
90° Dual Mount L - bracket for V2 cameras
180° Tri Mount L - bracket for V2 cameras
Garbage Cans with Contact Sensors
Garbage Cans with Contact Sensors - Update
Hiding the Contact Sensor No Chiseling No Sawing
Reducing Sensitivity of Motion Sensor with a Mask - 2
There is plenty to look at here.
Victor Maletic.