If you have a computer a basic endoscope isn't too expensive nowadays, about NZ$20.
Newest Mini 5.5mm Lens 1.3MP 720P HD USB Endoscope 6 LED IP67 Waterproof Camera Endoscope 5M,Industrial Pipe...
Type: Posts; User: gadgetman
If you have a computer a basic endoscope isn't too expensive nowadays, about NZ$20.
Newest Mini 5.5mm Lens 1.3MP 720P HD USB Endoscope 6 LED IP67 Waterproof Camera Endoscope 5M,Industrial Pipe...