A 3.5 Inches Video Endoscope is made available by us that is used in the field of gastroenterology is a thin flexible tube which uses a lens or miniature camera to view various areas of the gastrointestinal tract. Endoscopy is a nonsurgical procedure used to examine a person's digestive tract. Using an endoscope, a flexible tube with a light and camera attached to it. The 3.5 Inches Video Endoscope is very useful and made for use in the various commercial and medical uses.