three parameter ,FHR, TOCO,FM, 5.6 inch color and high brightness screen, list and alarm function,can store the case history. Monitor ... storage and printing. Print by wide band printer. 5.6"TFT screen, can be adjusted from 0 degree angle to 60 degree ... or hang it. AC/DC, inner battery, optional to connect with outer adapter. fetal monitor(KN-2000+4),5.6 inch color screen