Pregnancy Baby Heart Rate Monitor

Features
Beautiful appearance, easy to operate
Magnetic probe, compact design, convenient to use
Color display screen
Digits/Curve display
Battery level indication
Auto shutdown after no signal inputting for 60s
High sensitive Doppler probe, fetal heart sound can be heard clearly for pregnancy more than 12 weeks
Two sound output modes: built-in speaker and external headphone

Product Details
Safety classification: internally powered equipment, type CF applied part
Display: 1.77＂ LCD screen
FHR measurement and display range: 50 BPM ～ 240 BPM (BPM: beats per minute)
Resolution: 1 BPM
Accuracy: ± 2 BPM
Rated working voltage: DC3 V
Battery type: two 1.5V batteries (AA LR6)
Probe
Nominal Frequency: 3.0 MHz
Working Frequency: 3.0 MHz ± 10％
Negative Peak Sound Pressure: P_ ＜ 1 MPa
Output Beam Intensity: Iob ＜ 20 mW/cm2
Spatial-peak Temporal-average Derived Intensity: Ispta ＜ 100 mW/cm2
Ultrasonic Output Power: P ＜ 20 mW
Working Mode: Continuous wave Doppler
Effective Radiating Area of Transducer: ≤ 208 mm
Dimension: 157mm(L) × 99 mm(W) × 27 mm(H)
Weight: about 207 g(with batteries)