The Edan SD5 Ultrasonic Tabletop Doppler offers infrared transmission technology, a remote control probe and a brand new design. The SD5 Tabletop Doppler provides unmatched accuracy in FHR detection, large digital display of FHR, and a built-in long lasting rechargeable battery, which enables this doppler for the intended antepartum application since the 10th week pregnancy for midwives, private doctors, general practice, OB office and L&D outpatient service.