2.8mm diameter rigid inspection camera handheld mini 3.5 LCD monitor

VPI+ 3.9mm - 6mm - 8mm Portable HD Video Probe < JME Technologies

vividia CW series borescopes - Vividia Technologies: Borescopes

AABTools, PCE Instruments

Ultra-Portable Video Borescope ORION

Borescope Camera VOYAGER C40 with All-way Articulating Tip

2.8mm Diamter 6 Long Rigid Waterproof Handheld Borescope

Steerable Borescope Inspection Camera Andriod 8.5mm 2MP HD 1080P

China Inspection Camera Borescope, Inspection Camera Borescope

2.8mm diameter rigid inspection camera handheld mini 3.5 LCD monitor