Angulation U​/​d: 210​/​130 Biopsy Channel: 2.0mm Diameter, Mm : 4.2mm Working Length: 60cm Olympus BF-P190 Video Bronchoscope with 4.2mm Diameter, 2.0mm Channel, 60cm working length, 110° Angle of View, Angulation 210°​/​130° Up​/​Down. Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.