Product information:

Material: ABS
Power supply mode: dry battery
Specification: 13*9*2.5
Display: 1.77 inches TFT probe frequency: 2.5 MHz ± 10% Fetal heart rate range: 50bpm～240bpm Resolution: 1bpm Accuracy: ±2 bpm Power consumption: <0.8W
Battery type: 2* 1.5V AA batteries
Normal working conditions:
Working temperature: 5℃～40℃
Working humidity: 30%～80% Atmospheric pressure: 70.0kPa～106.0kPa

Packing list:

Fetal Heart Rate Monitor*1