Olympus BF-1TQ180 Bronchoscope - RefurbishedWide 2. 8mm diameter instrument channel with large full screen image size Ergonomically designed grip to enhance scope maneuverability and handling Scope ID function stores individual scope information such as number of procedures performed When used with a Exera II 180 processor and light source, you have the benefit of Narrow Band Imaging (NBI) to enhance visualization of mucosal morphology Compatible with CV 180, CV 160 and CV 140 video processors