Fetal Doppler

Ultrasound frequency: 2MHz/3 MHz
FHR Measuring range:50 ~ 230 bpm
FHR resolution: 1 bpm
FHR accuracy: ±2 bpm
Ultrasound intensity: < 10 W/cm²
Power consumption: < 1 W
Power supply:Rechargeable battery
AC 220/110V 50/60Hz ，With adapter
Display:  3.2" digital & curve TFT
Weight:approximately 3kg
FHR Alarm  
With touch screen and data saving