1. Laptop type
2. TRFM-21KD measure: maternal SPO2, PR, NIBP, Twin FHR , TOCO, MFM, AFM
3. TRFM-21KB measure: Twin FHR , TOCO, MFM, AFM
4. Folded 10.4 " (1024×768 pixel) color TFT–LCD,optional touch screen
5. Built-in high speed thermal printer, printing width can be set to 112mm
6. Twin ultrasound monitoring capability
7. Internal Li-ion battery power or AC power from external power supply