Delicate appearance, compact design and portable;
Built-in loudspeaker and large backlight LCD display;
Automatic shutdown after 1 minute without operation;
High sensitive ultrasound and interchangeable waterproof probe, which can detect the heart rates of unborn baby above 16 weeks;
High sensibility can The ultrasound is lower than the national ultrasonic power standard by over 50%;
Audio socket design make it accessible to headphones to hear the fetal heartbeat sounds;
Durable and hygienic ABS material
Weight:about 171g (without battery)
Power :DC 3V (2 x AA) alkaline batteries
Ultrasonic output power:<20mW
Storage and Transportation:
Temperature: -20 ¡æ ~ 55 ¡æ
Humidity: ¡Ü93% RH
Atmospheric pressure: 86KPa ~ 106KPa
3MHz, with nominal rated sound operating frequency deviation of not more than ¡À 5%.
At a distance of 200mm from the probe surface, the general sensitivity is not less than 90 dB.
Fetal heart rate measurement shows the range of 65-210bpm. In the range of 65-210 bpm, the error is ¡À 2bpm (digital display).