Model Number: H10-3 Brand Name: OEM Key Specifications/Special Features: Fetal Doppler is used for detect the Fetal Heart Rate ( FHR ) to hear the sound of 12 weeks pregnancy in hospital, clinic even at home.Features: * Easy to use* Built-in speaker.* Automatic switch-off.* Waterproof Interchangeable probe* Backlight* Two mode: real-time FHR and average FHR* Volume indication, battery energy indication, FHR dynamic graph display.
* Sound alarm function when FHR is out of the normal range
*Various battery compatibility: AA alkaline battery and AA Ni-MH rechargeable battery.
*Audio output: can be connected with a recorder to recording sound of fetal heartbeat. Such as earphone, computer, MP3/MP4.
*Two color for host: blue and pink

Specification:
+ Ultrasonic Frequency: 2.5 MHz or 2.0MHz
+ LCD size: 37*23mm
+ FHR display range: 50bpm-210bpm
+ Dimension: 97(W)* 37(D)* 132(H)mm
+ Weight: 0.4kg
+ Continuous work time: 8+ hours

Operation Environment
+ Temperature: 0 degree - 45 degree for working, -20 degree – 60 degree for transportation and storage
+ Humidity: 15% - 95% for working (non condensing), 10% - 95% for transportation and storage (non-condensing)