Fetal Heartbeat Monitor Professional High Sensitivity Probe Safe Accurate Pregnancy Heartbeat

Feature: 1. HIGH SENSITIVITY: Pregnancy heartbeat monitor has a high sensitivity probe, no radiation, low ultrasonic power, safe and accurate. 2. LED LARGE DISPLAY: The pregnancy heartbeat monitor has a large LED display that allows you to see the fetal heart rate, battery capacity and volume at a glance. 3. VOLUME ADJUSTMENT: The pregnancy heartbeat monitor is equipped with a volume adjustment function, so you can easily adjust the volume according to your needs. 4. EASY TO USE: The fetal monitor is easy to use, just plug the 3.5mm 32 mono or dual channel headphone into the headphone jack of the device, the external speaker will be turned off and no sound will be output. 5. SAFE AND ACCURATE: After hearing a recognizable, rhythmic fetal heart rate sound, keep the fetal monitor probe stationary for at least 5 seconds to ensure accuracy. Specification: Item Type: Fetal Heartbeat Monitor Material: ABS Batteries: AA Batteries x 2 (Shipped Without Batteries) Ultrasonic Operating Frequency: 2.5MHz Ultrasonic Operating Frequency and the Nominal Ultrasonic Operating Frequency Deviation: Should Not Be Greater Than +/- 15percent Integrated Sensitivity: more than 90dB (Integrated Sensitivity at 200mm/7.87in from the Surface of the Probe) Fetal Heart Rate Measurement and Display Range: Should Not Be Less Than 65-210BPM Sound Velocity: 1520-1620m s Acoustic Impedance: 1.5-1.7 X 106 Pa.s m Sound Attenuation: < 0.05dB (cm.MHz) Operating Environment: Temperature: 5 celsius -40 celsius Relative Humidity: 25-80percent RH Atmospheric Pressure: 70kPa-106kPa2 Storage and Transportation: Temperature: 5 celsius -45 celsius Relative Humidity: 9-85percent RH Atmospheric Pressure: 50kPa-106kPa Viscosity: >15Pa.S Ph Value: 5.5-8. Package List: 1 x Fetal Heartbeat Monitor (Batteries Not Included)1 x Probe1 x Manual