Vividia VA-4-39 (i.e VA-4-40) Articulating Borescope Videoscopes are a series of portable, easy to operate industrial borescope with ergonomic design. The probe tube and camera has diameter of 3.9mm covered with braided tungsten to work in harsh industrial environments. The length of insertion tube can be tailored from 1 meter to 4 meter. The standard lengths are 1.5 meter (Model: VA-4-3915) and 3.0 meter (Model: VA-4-3930). Other lengths up to 4 meter are available upon request. The camera head can be bended from right to left to maximum angles about 180 degree depending on the probe length. The high quality image and bright LED lights make it a perfect to examine industrial pipes and tubes, or the narrow and complicated  inner space of a device for corrosion, crack, weld, foreign objects, etc.