• Using DSP Tech more advanced &accurate.
• Large Color Display.
• Instantaneous FHR & average FHR real time display.
• Wide beam, High Sensitivity, Noise Reduction Technology.
• High Quality Loud & Clear Sound.
• FHR Over-run alarm.
• Match different Frequency Probe.
• Display Charging, Power Full.
• Compatible with Rechargeable Batteries.
• After monitoring, automatically turn off background Noise & Shut Down.