Light and portable Built-in speaker with volume control , On/Off switch, volume control Earphone and speaker are feasible,Easy and convenient to Use with Big LCD backlight Display ,High-fidelity, crystal clear sound,* Dual display Interface : Digital display interface, Curve display interface,10 set default user data storage function.* SAFE AND NON INVASIVE - Easy to use at home digital display,meets the fetus daily check and routine examination at home, clinic, community and hospital.Technical Specification: Ultrasound frequency: 3MHz Ultrasound intensity: <10mW/cm2 Power supply: Alkalinity battery Display: 45mm×25mm LCD FHR Measuring range: 50~240bpm FHR resolution: 1bpm FHR accuracy: ±1bpm Power consumption: <1W Dimension :135mm ×95mm ×35mm Weight:500g Configuration: Main body 3MHz probe Option: Earphone Alkalinity battery Carry bag Feature Table: Functions: Doppler type: Continuous Display B/W Backlight:Yes Build-in speaker : Yes Battery indicator:Yes FHR display: Yes Auto power off: Yes Read more
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