Model TY168 BASIC is a type of fetal doppler capable of catching fetal heart tones via earphones. The fetal heart rate can be uploaded to the computer. Description: Model TY168 BASIC ( Blue Apple) , a type of hand fetal Doppler, can meet the needs in the obstetrics department and clinics, especially the needs of the pregnant for daily examination at home. Model TY 168 BASIC capable of catching the fetal heart tones via earphones has the function of displaying there all-time fetal heart rate. Feature: * with a large piece of built-in supersonic crystal, convenient for the pregnant to locate the fetal heart. * with an ability to display fetal heart rate * with a fetal movement button, recording the times of fetal movement. * with an ability to catch the fetal heart tones of a 12-week-old or elder fetus * with a beautiful and delicate design of artificial craft and a feature of being portable Specification: Screen: 25mm× 15mm Ultrasound frequency: 3.0MHz Output intensity of ultra sound: 4 hours Outer size: 100mm× 90mm× 40mm Weight: 250g