Product Features: 1.Integrated main unit and probe design 2.Ultra-thin shape, lightweight, dexterous and beautiful 3.The headphones are designed so that expectant mothers can listen to fetal heart sounds at the same time 4.High sensitivity ultrasonic transducer 5.High precision PHR LCD digital display 6.The ultra-low ultrasonic output strength is far less than the national standard, ensuring safe use and extremely high safety quality 7.Ultra-low energy consumption, two standard No. 7 alkaline batteries can meet long-term testing 8.Low battery alert
Product specifications Ultrasound operating frequency: | 2.5MHz | Error: | No more than 2 times/min | Fetal heart rate measurement range: | 50~240bpm | Comprehensive sensitivity: | >90dB (200mm from probe surface) | Operating mode: | continuous wave | Ultrasound output power: | <30mW |
Conditions of Use & Packaging Information Working voltage: | 3 AAA1.5V alkaline batteries | Working temperature: | +5°C~+40°C | Operating humidity: | ≤80% | Atmospheric pressure: | 86kPa~106kPa | Storage temperature: | -20 °C ~ +55 °C | Storage humidity: | ≤93% (non-condensing) | Atmospheric pressure: | 86kPa~106kPa | Product size: | 56.6*34.8*117mm | Product weight: | 131g (without battery) | Available in the colors: | Pink, green, blue, yellow |

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