Warranty: 90 Angulation: Up: 210, Down: 90, Right: 100, Left 100 Diameter, Mm : 8.6mm Field Of View: 140 degrees Working Length: 103cm 8.6mm outer diameter insertion tube and 2.8mm channel diameter combined with excellent image quality to make the GIF-160 ideal for routine examinations. Extra-wide 140° field of view enables wider area of site to be easily observed. 4-way angulation (210° up, 90° down, and 100° right​/​left) enables complete and comprehensive examination of the upper digestive tract. Ergonomically designed grip enhances scope maneuverability while redesigned easy-to-access knobs and user-selectable switches improve operability. Video Gastroscope with 8.6mm Outer Diameter 2.8mm Working Channel 103cm Working Length 140° Angle of View, Angulation 210°​/​90° Up​/​Down and 100°​/​100° Right​/​Left. Return Policy90 days warranty Return in case of manufacturing defects Return for incopatibility assumed by the buyer