300B fetal doppler baby heart monitor home use baby heartbeat monitor FHR 4.2 inch LCD back light ultrasonic diagnostic device

To would-be mothers and fathers:
Your little angel will be born! Congratulations to you! I know you will be worried about your baby, is him or her healthy? If I can hear the heartbeat of my baby....This Vcomin Fetal Doppler is definitely a wonderful gift for all expectant mothers in the world! You can use it at home or in your car without any help from others. Medical grade ABS shell, poisonless and tasteless; nano-silver coating, antibacterial and radiation resistant. You also can share your joy - the healthy and strong heartbeat with your lover, families, friends.....These marvelous sounds will bring you closer your coming baby!
VCOMIN FD-300B Fetal Doppler
1.Easy and convenient operation
2.High-fidelity, crystal clear sound
3.Earphone and speaker are feasible
4.High sensitivity water-proof probe
5.Low ultrasound dosage
6.Display with LCD
7.Unique ergonomic design
8.USB functions to transmit data to computer
9.Multiple work modes
Technical Specification
Ultrasound frequency: 2MHz
Ultrasound intensity: <10mW/cm2
Power supply:Alkalinity battery
Dimension: 135mmx100mmx55mm
Display: 65mmx50mm LCD display
FHR Measuring range: 50~240bpm
FHR resolution: 1bpm
FHR accuracy: ±1bpm
Power consumption: <2W