The world''''s smallest Videoscope, the lowest price. 4mm -5mm Diameter Videoscope 4-5mm Videoscope, flexible Borescope .4mm --5 mm diameter (0.18") .1150mm length .Forward view, 2 ways of articulation .Universal type video out, easy connects to display and computer. .Steel braided insertion tube, water and oil proof. Set include: .Flexible Borescope (Videoscope). .Fiber optic light guide to connect borescope with external light source .TFT LCD Display. .Super Bright Portable light source .Rugged carrying case Wide use in industrial fields: .Aircraft inspection: turbine inspection, aircraft repairs, maintenance, engine inspection .for safe inspection, .tubes, pipes inspection .many other uses .Clear, wide and magnified image. Easy articulation of the tip .Stainless steel braided, waterproof insertion tube