Ziqing Fetal Doppler Heartbeat Detector Baby Care The Device Listen Heartbeat Fetal Pregnancy Ultrasound Heart Rate Detection

Product Features:
1.【 No radiation】: The products have been tested for radiation, so you can use it at ease and your children are healthy.
2. 【LCD display】: The fetal heart monitor adopts Big LCD Display with back light,with clear fonts.
3. 【Clear speaker】: lntelligent noise reduction,Low power consumption design, hear more clearly. The volume is adjustable.Compatible with both earphone and speaker (Earphone NOT included).
4. 【Automatic shutdown】: Automatic shutdown within one minute without signal, economical and energy-saving.
5. 【Easy convenient】 : Unique ergonomic design, Easy and convenient operation.
Specification:
1.Material: ABS Plastic
2.Operation Frequency: 2.5MHz土10%
3.Comprehensive sensitivity(at a distance of 200mm from the probe surface): ≥90dB
4.FHR Range: 50~220bpm
5.FHR Resolution:1bpm
6.Accuracy: +2bpm
7.Power Supply: DC 3V internal power,Alkaline battery
8.Battery Type: AAx2
9.Working Mode: Continuous wave doppler,Automatic shutdown if no signal within 1 minutes
10.Main Unit Dimension: 143mm(L)X97.5mm(W)×34(H)mm
11.Main Unit Weight: Approx. 170g(Batteries not included)
12.Sound Output: P_<1MPa; 1ob<20mW/cm2;1spta <100mW/cm2