All Digital Beamforming, Harmonic Imaging, Color and Power Doppler, Freehand 3D Imaging, Trapezoidal Imaging, Tripple-frequency Probes, 256 Frames Cine Memory. Probes included: PB-C2-5ET-N 2-5 MHz/40R/76D/CONVEX & PB-EC4-9ES-N 4-9 MHz/10R/150D/ENDO-CAVITY