Features of Pocket Fetus Doppler MSLJB05:

Battery status indicator 
Low power inspection of the battery
Built-in speaker
Output for earphone
The probe can be changeable
Probe inspection 
Backlight
Auto shut off
Two pieces of standard 1.5V alkaline batteries available which can work no less than 10 hours.

Specifications of Pocket Fetus Doppler MSLJB05:

1. Physical Characteristic
Size: 130mm (Length) ×100mm (Width) ×36 (Height) mm 
Weight: About 250g (including batteries)
2. Display: TFT LCD display
3. Suitable Using Range: Suitable for use after the 16th week of pregnancy.
4. FHR Performance
FHR Measuring Range: 50~210bpm (bpm: beat per minute) 
Resolution: 1bpm 
Accuracy: ±2bpm
5. Power consumption: ≤0.7W
6. Auto Shut-OFF: No signal in 1 minute, the device will power off automatically.
7. Battery Type Recommended: Two pieces of 1.5 V DC batteries (SIZE AA LR6).

8.Ultrasonic Probe:
Working Frequency: 3.0MHz±10%    
Working Mode: Continuous wave Doppler
Overall sensitivity :＞ 90dB
Spatial-peak temporal-peak acoustic pressure: ＜0.1MPa
Output power: ＜20mW

Working Frequency: 3.0MHz±10%    
Working Mode: Continuous wave Doppler
Overall sensitivity :＞ 90dB
Spatial-peak temporal-peak acoustic pressure: ＜0.1MPa
Output power: ＜20mW

Medial & Video of Pocket Fetus Doppler MSLJB05
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