OLYMPUS CYF-240: Video cystoscope Diameter: 5.3 mm L: 38 cm Diameter of working channel 2.0 mm Used Because we value impeccable quality, before being sold all devices are checked technically and visually by our experienced medical technicians, refurbished, and then sold on to customers all over the world with a 12-month warranty (Endoscopes 6 months) and an eight-year delivery guarantee for spare parts. It goes without saying that all appliances supplied come with operating instructions and the test certificates required in Germany (STK and MTK).