I have used this Borescope once and was very pleased with the results, But I no longer have need of it.

• Articulation bendable angle: 0° to 180° continuously adjustable. Very easy operation: just push down the release button by bending the thumb to adjust the articulation angle. *This standard VA-400 has no angular locker!
• The articulation angle can be controlled at any degree by pressing the plunger. Very small bending radius: 30mm. And this VA-400 standard version has NO angular locker.
• Focal Distance: 4cm – 40cm, fixed focus. Optical lens view angle: 60°. Illumination: 6 white LED lights built-in.
• Probe diameter: 8.5mm. Probe length: 42cm (16.5”). Power supply: by USB port of PC. PC Interface: USB 2.0. USB Cable Length: 200cm. Can be used on Windows XP/7/8/10, Macs, Linux; Can be used on Android phones and tablet; Can NOT used on iPhones and iPad
• Sensor: high-quality CMOS sensor. Still Image Resolution: 12800x720 pixels (Format: JPG and BMP). Video Resolution: 1280x7200 pixels (Format: AVI, Frame Rate: 30FPS). The resolution has been upgraded to 1280x720 in 2021.