Warranty: 60 days Zonare's C9-3 curved array convex array ultrasound probe transducer. This probe is compatible with the Zonare Z One ultrasound machine. It has a frequency range of 3 - 9 MHz. and specializes in abdominal and OB-GYN ultrasound applications. For any additional questions or concerns regarding this particular ultrasound transducer or any other probe available, please do not hesitate to contact us. Probe Specificities: Curved Array Convex Array 3 - 9 MHz. Frequency Range Imaging Capabilities: Abdominal OB-GYN Compatible Ultrasound Machines Zonare Z One ultrasound machine Return Policy30 Day Return Policy. Free Return. 60 Day warranty, money back guaranteed! Tags: Ultrasound Probe