1.Lightweight, Table and wall hanging can be placed 2.Hidden handle design for moving machines 3.5.7” LCD display, a clear curve and data display 4.Can provide up to 120 hours of data storage and playback 5.Optional curve of AFM display 6.2MHZ?9 crystal wide pulse wave Doppler transducer; optional 1.0MHZ wide 12 - crystal pulse wave Doppler transducer 7.Easy-style thermal printer, easy operation 8.print speed:1cm/min?2cm/min?3cm/min?support 25mm/s high-speed print 9.Support the regular printing, lack of paper printing and high-speed replay cache Printing 10.Built-in network/PC connecting interface 11.Built-in Li-ion rechargeable battery, Provide brown-out protection 12.Automatic charge when power-off 13.can adjust the volume of FHR and alarm 14.Optional dual FHR monitoring(S5+)?SPO2?NIBP 15.Parameter: FHR?TOCO?AFM;SPO2?NIBP optional