Features: Large foldable color TFT-LCD screen Display waveforms and numeric simultaneously Great waveform storage and playback Highly sensitive waterproof FHR transducer Signals Overlap Verification to separate twins FHR Fast printing of stored traces DECG & IUP parameters optional Wired & wireless central monitoring solution Built-in long-life thermal printer Built-in rechargeable battery for continuous work Compatible with 150/152 mm universal recording paper Compatible with American/International standard recording paper PC management software and central monitoring system supportive