Description High sensitive doppler probe, accurate FHR detection Low ultrasound power, safe to the fetal Optional display screen(value/diagram) Auto shut-off in 1 minute Display: 1.3 inches LCD Ultrasound Frequency:2.125MHZ-2.875MHZ Comprehensive sensitivity: >90dB FHR Range: 50/min~210/min Display Resolution:1bpm FHR Detection Dviation: -2/min~ 2/min Probe and doppler are separated, more easier to operate Rechargeable Battery, Charger included Included Manual Made in China
