LCD Screen Baby heart Beat Prenatal Pocket Fetal Heart Rate doppler Minitor gel Pink Baby Sound B
8 mm(H) (the space between probe culmination and upper panel is 26mm)Weight: About 80g LCD Screen Baby heart Beat Prenatal Pocket Fetal Heart Rate doppler Minitor gel Baby Sound B Pink Batteries Included: No Dimensions: 16.0 MHz ± 10% Ultrasound Output Power: P Negative Peak Sound Pressure : P_ Working Mode: Continuous wave doppler Physical Characteristic Dimension: 110 mm(L) × 55 mm(W) × 16.5V(AAA size) alkaline battery Suitable Using Range: Suitable for use after the 12th week of pregnancy Probe: Nominal Frequency: 2.