Endoscope Endoscope 4mm 0, direction of view, lenght 175mm, color: green Endoscope 4mm 30, direction of view, lenght 175mm, color: red Endoscope 4mm 70, direction of view, lenght 175mm, color: yellow Endoscope 4mm 0, direction of view, lenght 175mm, color: green Endoscope 4mm 30, direction of view, lenght 175mm, color: red Endoscope 4mm 70, direction of view, lenght 175mm, color: yellow Endoscope 2.7mm 0, direction of view, lenght 175mm, color: green Endoscope 2.7mm 30, direction of view, lenght 175mm, color: red Endoscope 2.7mm 70, direction of view, lenght 175mm, color: yellow.