Features for fetal doppler:
● Easy and convenient operation
● High-fidelity， crystal clear sound
● Earphone and speaker are feasible
● High sensitivity doppler probe
● Low ultrasound dosage
● Display with backlight LCD
● Unique ergonomic design

Technical Specification for fetal doppler:
● 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