12.1" Color TFT screen 10 hours storage and recall of fetal/ maternal monitoring data Built-in high dot matrix thermal printer with long life Advanced Digital Signal Processing ( DSP) Technique Built-in rechargeable battery High-sensitive probe, excellent signal/ noise ratio, low ultrasound radiation Intellectualized voice/ light alarms Compatible with obstetric central monitoring system Standard FHR, TOCO, FM, ECG, Respiration, NIBP, SpO2, Pulse Rate, TEMP