Features:

1. Battery status indicator.
2. Built-in speaker.
3. Output for headphones.
4. The probe can be changeable.
5. Probe inspection.
6. Backlight.
7. Auto shut off.
8. Support 2 MHz,3 MHz,4 MHz,5 MHz,8 MHz probes.
9. Two pieces of standard 1.5 V alkaline battery available that can work no less than 10 hours.

 Performance:

• Anti-electroshock Type, Internally powered equipment
• Anti-electroshock Degree: Type B applied part
• LCD Display: 45 mm × 25 mm
• FHR Measuring Range: 50 BPM –240 BPM (BPM: beat per minute)
• Resolution: 1 BPM
• Accuracy: +/-2 BPM
• Suitable Using Range: Suitable for use after the 12th week of pregnancy
• Auto Shut-OFF: After 1 minute of no signal, power off automatically
• Probe:- Nominal Frequency: 2.0 MHz- Working Frequency: 2.0 MHz ± 10%- Ultrasound Output Power: P < 10 mW- Ultrasonic Output Intensity: Isata < 5 mW/cm2- Negative Peak Sound Pressure : p_ < 0.5 MPa- Working Mode: Continuous wave doppler- Effective Radiating Area of Transducer: 208 mm2 ± 15%

Function:

1. FHR Detection: Speaker output/Earphone output LCD,
2. Five working modes: Real-time FHR Display mode, Averaged FHR Display mode, Manual mode, continuous operation time=15 hours