Jumper JPD 100S6 Fetal Doppler is a hand-held obstetrical unit, which can be used in hospital, clinic, and home for listening to a baby’s heartbeat. It contains components of an ultrasonic transducer and receiver, analog signal processing unit, Fetal Heart Rate (FHR) calculating unit, LCD display, and control unit. It has 3 Operating Modes: Real-time FHR display mode, Average FHR display mode, and manual mode. It has a built-in speaker for audio output and is equipped with an earphone plug so one can listen privately. | Uses: It can be used in hospitals, clinics, and homes for listening to a baby’s heartbeat. | Product Specifications and Features: | Display: LCD Screen | Performance: FHR Value, FHR Mode, Battery Status | Range & Accuracy: FHR Measurement Range: 50-210 bpm | Accuracy: ±2bpm | Measuring Modes: Real-time, Average and Manual Counting | Ultrasound Frequency: 3.0MHz | Dimension: 130×100×36(mm) | Net Weight: 250g | Backlight and Speaker: Backlight, Adjustable Volume | Battery Type: AA×2 One can safely listen and record the unborn baby's heart sounds at home One can record the mother's heart sounds and play it back to help soothe the newborn baby Has built-in speaker and Audio Jack output for cristal clear FHR sound of newborn baby's heart The probe must be in contact with the skin via using gel, oil, water to obtain an accurate fetal heart rate The Fetal Heart Detector can be used above 16 weeks of pregnancy | Warranty: 1 year | Directions For Use: Use as per requirement or as directed by the physician. | Safety Information: Read the label carefully before use Store in a cool dry place away from direct sunlight Keep out of reach of the children Avoid physical damage