MS-FD600 Fetal Doppler

*FHR measurement range: 50-240 beats per minute
*Accuracy: ± 2 beats per minute
*Operating Frequency:2Mhz/ 3.0MHz
* Probe sensitivity: At the 200mm distance from the probe surface,The comprehensive sensitivity should not be less than90dB.  
* Waterproof level: host IPX0, probe IPX1.
*Fetal dopppler size: host: 130*65*30mm; probe: 108*28mm
*Net weight: 170g
*Service life of the host and probe: 5 years
*USB charging cable length: 80cm
*9 Volume levels can be adjust: 0-8 gear
* Fetal heart rate signal induction intensity: 3 levels
* power supply: rechargeable lithium battery