Veterinary Ultrasound Scanner: Pamlsize, lightweight and easy hand carrying; Veterinary Ultrasound ScannerFeaturesPamlsize, lightweight ... Mode: B, B+B, B+M, M;Measurement: Distance, length, Area/Circumference, Time/Heart Rate/EF rate, GA, EDD;Image magnification ... probes: 3.5MHz/5.0MHz Mechanical Sector Selectable. Veterinary Ultrasound Scanner