... /Fetal Monitor System with best quality and competitive price 1. 12.1' high definition LCD 2. Can freeze, recall wave Maternal/Fetal Monitor ... System12.1' high definition LCDCan freeze, recall wave, review data trend chart, convenient for doctor to observe ... AC/DC, inner battery, optional to connect with outer adapterDesign in module, can be upgraded to KN-2000+D3:FHR ...