usb endoscope
ScopeAround Focus Wi-Fi Microscope Camera Digital Wi-Fi USB Microscope Camera,Wi-Fi video camera,
Teslong Auto Focus Endoscope Camera with 5.0 Megapixels FHD Micro Inspection Camera Auto Focus Inspection Camera, Teslong 5.0 Megapixels Semi-Rigid Borescope Endoscope Camera with Carrying Case for Android, Windows & MacBook Device (16.4ft/ 5m)
Endoscope Camera STE110 3.5m Mini Android Endoscope 0.21inch Diameter Camera, 3.5m Semi-rigid Cable, Made for Android Smartphone and PC