Introduction： Simple design and easy to use at home. The built-in speaker with volume control and backlit LCD display help to find the position quickly. High sensitivity, 0 radiation, convenient measurement (low power, 0 micro radiation, high performance, intelligent dynamic monitoring). This one made your husband feel like he can be a bigger part of this process, so you love being able to experience this together at home! Listening to your baby's sounds is like music to a mother's ears. No one wants to miss the growth of kids. Specification: Condition: 100% new Size: 8*3*12 cm Voltage: DC 2x1.5V Frequency: 2.0MHz±10% Applicable scope: 12 weeks Screen : 1.8 inches Fetal heart rate range: 50-230BPM Color: Pink How to use : Before using it for the first time, make sure 2 batteries are in. Press the power button to power on, then adjust the volume. Lie flat with a cushion pillow, keep legs straight and relax. Apply a coupling agent on the probe Attach the probe to the abdomen to locate the position and find out the best direction to the heart. After hearing regular heart sound, the FHR value will display on the screen in real time. Time Weeks: not less than 12 weeks. Note: Do not use high pressure water gun to flush and drive at too high speed within 24 hours (do not exceed 80-100 yards), all can be normal after 48 hours! Package Include: 1pc of Fetal doppler

Large Screen : LCD display reading more clearly and easy-to-read fetal heart rate data. Easy to Use :Easy to use digital display at home. Lightweight and Portable Built-in: Speaker with volume control, on / off switch, volume control, headphones and speaker are all doable. Easy and Convenient to Use : With large backlit LCD screen, high fidelity, clear sound Nice sound : Listening to your baby's sounds is like music to a mother's ears.