SonoTrax II is a high performance model with an FHR digital LCD display and backlight. All models have audio output, which can be connected with an earphone or recorder. As well, you can operate the unit with 4MHz or 8MHz probe for a vascular diagnoses.

\r\nFeatures:

\r\n\r\n• Ergonomic design, compact and light
\r\n• Large backlight LCD display
\r\n• Accurate fetal heart rate (FHR) detection with clear sound
\r\n• High sensitivity interchangeable probe
\r\n• Supports 2MHz, 3MHz, 4MHz, 8MHz waterproof probes
\r\n• Automatic and manual FHR Counting
\r\n• Long time continuous use (about 8 hours)
\r\n• Built-in rechargeable Lithium-ion Battery
\r\n• Automatic power-off