The iRis DVR X from IT Concepts is a Borescope with Field of View(FOV) 90 Degree, Probe / Insertion Tube Temperature -25 to 80 Degree C, 140 Degree C @ <5 mins, Operating Temperature -25 to 46 Degree C, Storage Temperature -25 to 60 Degree C, Probe / Insertion Tube Diameter 4 to 6 mm. More details for iRis DVR X can be seen below.