ultrasound scanner USG ultrasound machine OB/GNY medical device Ultrasound scannerUltrasonic Diagnostic systemTechnical Parameters:1. Five display format: B,B+B,4B,B ... . Per: 4-stage per function16. Image magnification: ×0.8,×1.0,×1.2,×1.5,×2.017. Parts enlargement function: under the mode ... safe in use and simple in operation with clinic test. portable ultrasound machine