I disassembled my Wyze cam V2 to discover that the “sensor” on the front was fake. It's just a small black plastic circle with no sensor underneath, just a couple of resistors.
Amazon.com : Wyze Home Security System Sense v2 Core Kit with Hub, Keypad, Motion, Entry Sensors (2) with Wyze Cam v3 Indoor/Outdoor Camera, 6 Month Subscription Included : Electronics
Wyze Sense Review - Not If, But How Many - YouTube
Wyze Sense Entry Sensor – Wyze Labs, Inc.
New In Box Wyze Motion Sensor v2 Model WSMS2 | eBay