FD9714 has color display which can even display FHR curve. Product has IP22 Ingress Protection.
Features
2-inch color display 2.5MHz High Sensitivity Probe Dual Display Mode: FHR Curve display (Waveform) & Big Font mode Visual Alarm Indicator IP22 Ingress Protection In-built rechargeable Li-ion battery - Micro USB charger In-built speaker and head-phone socket