Specification:Material: ABS Plastic
Color: Pink+White
Display: 45mm×20mm
Suitable Range: 12 weeks above
Probe operating frequency: 2.0MHz ± 10%
Fetal heart rate range: 50-240BPM
Power: 2x AA battery (not included in the package)
Size: 6.3x3x13cm /2.5"x1.2"x5.1"
Probe Size: 3.2x10.4cm/1.3"x4.1"
Probe cable: 1.5m/59