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FD-11D
Main Features
- Ergonomic Design, compact and light weight
- Easy to use with FHR display
- accurate FHR detection
- Li-ion battery and battery capacity indicator
- High sensitive, 1MHz doppler transducer
- Pulsed doppler operation, advanced in the world
- Date and time function
- Long time continuous use ( more than 4 hours)
- Auto Power off for energy saving
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