Baby Heart Monitor Baby Sound Amplifier Heartbeat Monitor with High Sensitive Probe

Description Fetus' health condition is the most concern for pregnent women. This item is a hand-held obstetrical unit, which can be used at hospital and home for daily self-check by pregnant woman. It is a high performance fetal doppler without radiation. It is really convinient and easy to use. Feature - Color: As shown. - Material: PVC. - Size: 4.8x3.2x2.5cm. - Anti-electroshock: Internally powered equipment. - Effective Range: Suitable for use after the 12th week of pregnancy. - FHR Measuring Range: 50~210BPM (BPM: beat per minute). - Resolution: 1BPM. - Accuracy: ±2BPM. - Battery: 2 x 1.5 V DC battery (SIZE AAA, included). - Probe Nominal Frequency: 2.5MHz. - P-: <0.1MPa. - Lob<1 mW/cm2. - Ispta: <10mW/cm2. - Ergonomic design, compact and light, easy to use. - High sensitivity interchangeable probe. - Accurate FHR detection with clear sound. - Battery status indicator, automaticly power-off in low power inspection of the battery. - Continuously working for 6 hours with