Power supply : DC Ni-Mh rechargeable battery AC 220/110V, 50/60Hz
Dimension : 135mm ×95mm ×35mm<1W
Ultrasound intensity : <10mW/cm2
FHR accuracy : ±1bpm
Weight : 500g
Power consumption : <1W
Ultrasound frequency : 2MHz
FEATURES : 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, Average Mode, Manual Mode