· be easy to operate

· monitor FHR. Fetus period, contractive pressure.

·1MHZ?high sensitivity probe

·physical designed fetus period marker

·exception warning, fetus waking

· dual probe test twins FHR

·?monitor twins FHR

·adjustable speed（1、2、3、cm/min）

·setting up the alarming time ,date, range

·tomagnify, be easy to observe

·to connect 16 seats central monitor system

·Fetal Movement Indicator Function