Features for fetal doppler:
<br />● Easy and convenient operation
<br />● High-fidelity, crystal clear sound
<br />● Earphone and speaker are feasible
<br />● High sensitivity doppler probe
<br />● Low ultrasound dosage
<br />● Display with backlight LCD
<br />● Unique ergonomic design
<br />
<br />Technical Specification for fetal doppler:
<br />● Ultrasound frequency: 3MHz
<br />● Ultrasound intensity: <10mW/cm2
<br />● Power supply: Alkalinity battery
<br />● Display: 45mm×25mm LCD
<br />● FHR Measuring range: 50~240bpm
<br />● FHR resolution: 1bpm
<br />● FHR accuracy: ±1bpm
<br />● Power consumption: <1W
<br />● Dimension :135mm ×95mm ×35mm
<br />● Weight:500g
<br />
<br />Configuration:
<br />● Main body
<br />● 3MHz probe
<br />
<br />Option:
<br />● Earphone
<br />● Alkalinity battery
<br />● Carry bag
<br />
<br />Feature Table:
<br /> 
<br /> 
<br />
<br />Functions
<br />
<br />
<br />RFD-D
<br />
<br />Doppler type
<br />
<br />
<br />Continuous
<br />
<br />Display
<br />
<br />
<br />B/W
<br />
<br />Backlight
<br />
<br />
<br />Yes
<br />
<br />Build-in speaker
<br />
<br />
<br />Yes
<br />
<br />Various display modes 
<br />
<br />
<br />No
<br />
<br />Volume adjust
<br />
<br />
<br />Yes
<br />
<br />Battery indicator
<br />
<br />
<br />Yes
<br />
<br />FHR display
<br />
<br />
<br />Yes
<br />
<br />FHR curve
<br />
<br />
<br />No
<br />
<br />Auto power off
<br />
<br />
<br />Yes
<br />
<br />Various work modes 
<br />
<br />
<br />Yes
<br />
<br />Alkalinity battery
<br />
<br />
<br />Yes
<br />
<br />Ni-Mh battery
<br />
<br />
<br />No
<br />
<br />Charge in device
<br />
<br />
<br />No