All these models have audio output, which can be connected to headphones or a recorder. Additionally, you can operate the unit with a 4Mhz or 8Mhz probe for vascular diagnosis.
Features
• Easy to use.
• Compact design.
• Large USB probe socket.
• Probe identification.
• Audio playback and adjustable volume.
• Headphone jack.
• Interchangeable waterproof probe.
• Supports 2Mhz, 3Mhz, 4Mhz and 8Mhz probes.
• Automatic and manual counting of FHR (fetal heart rate).
• Automatic power off.
• Built-in audio recording and playback.
• Power by AA LR6 1.5 V alkaline battery.
• Power by NI-MH battery pack.
• AC battery charger.
• Display of the battery status.
• Low battery indication.
• Complies with ISO 13485 quality standards.