Features of fetal doppler
1.45*825mm LCD display
2.FHR Performance
3.FHR Range: 50-240BPM.
4.Probe Frequency:2.0MHz
5. AAA 1.5 V batteries
6.Working Frequency: 2.0MHz±10%
7.Resolution: 1BPM
8.Accuracy: ±2BPM
9.Power consumption:<0.8W
10.Auto Shut-OFF: After 1 minute no signal, power off automatically.
CONTEC certified Fetal Doppler---doppler fetal