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