Description
LCD Portable Home Prenatal Baby Heart Rate Monitor Pocket Fetal Doppler Ultrasonic Detector
【Product parameters】
1. Power requirements: 2 * 1.5V two AA alkaline batteries
2. Working mode: continuous work
3. Host size: 48 * 38 * 147mm
4. Net weight of host: <180g (without battery)
5. Waterproof grade: IP22 dustproof and waterproof grade is rainproof grade
6. Quiet noise: <45dBA
7. Comprehensive sensitivity:> 110dB
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