... , obstetrical department of hospital and remote monitoring situations, or using at home.Features1. Lightweight and Easy-To-Use. 2. Full ... displays FHR value, FHR intensity, improper FHR alarm signal, record signal, run time, speaker volume, battery capacity indicator, ... working mode, frequency of probe and FHR synchronization symbol.AccessoryStandard Accessory:2.0 MHz/ 2. ...