Type: Doppler Ultrasound Equipment Display size: 12 inch LCD screen Working Frequency: 2.0 MHz ~ 10 MHz Display Mode: B, B + B, B + M, M, 4B Item: Latest 4D color Doppler Medical Ultrasound Frame Rate: 30 frames/second OEM: Welcome N.W: 6.5 KG Software: General Software, obsterics software, cardiac Software USB ports: 2 Storage Space: 64G SDD Show More