Insize ISV-1H4173, RIGID BORESCOPE, 6.85″, 6928640323768

Length 6.85″. View direction 30?.
Diameter .16″. Angle of view ?60?.
Focus distance .08″, depth of view .2~4″.
Dust/waterproof level: IP67. Can be used in the liquid with temperature -14?F~185?F.