Brand: V Comin
 Probe Frequency: 2MHz
 Display type: LCD
 Handling : Hand-held
 Ultrasound frequency: 2MHz
 Ultrasound intensity: <10mW/cm2
 Power supply: DC Ni-Mh rechargeable battery AC 220/110V, 50/60Hz
 FHR Measuring range: 50~240bpm
 FHR resolution: 1bpm
 FHR accuracy: ±1bpm
 Power consumption: <1W