You can find cameras and listening devices with your phone's camera or by scanning the Wi-Fi network. Here's how to do both.
How to find hidden cameras: 10 detection methods - Norton
Smallest Spy Hidden Camera,1080P Wireless WiFi Portable Remote Camera,Nanny Cam,Baby Monitor with Night Vision,Motion Detection,Cloud Storage,Remote Viewing for iOS Android Phone APP : Electronics
Hidden Cameras - Learn Our Easy Steps for DetectionLaView
Working] 6 Ways to Find Hidden Cameras Using Android or iPhone - Gadgets To Use
WiFi USB Charger Hidden Camera 1080P HD Indoor Security Spy Camera with App Remote Monitoring,5-Port USB Hub Outlet Camera with Motion Detection,Secret Nanny Cam for Home/Office,No Audio : Electronics
Mini Spy Camera WiFi, Smallest Hidden Cameras HD1080P for Home Security Surveillance with Video Small Portable Nanny Cam with Phone App, Motion Detection, Night Vision for Indoor : Electronics
How to Find Hidden Cameras Using Phones: Android + iPhone
How to Detect a Hidden Camera with Your Android Phone - Make Tech Easier
Detect Hidden Camera Spy Cam Detector with AdMob Ads Android by MJAppsStudio