TY268 LITE is a hand-held fetal doppler; it can satisfy the demand for daily medical examination in hospitals, clinics and at home. The TY268 can instantaneously and digitally display fetal heart rate and average FHR. By FHR-Internet software, it can form fetal heart rate curve, all these data and fetal heart sounds can be packed and emailed to community hospitals and doctors. The special features of FHR-Internet software enable the fetal heart sounds and FHR curve to be replayed together so as to reproduce the former monitoring situations, which helps doctors to get real information just they were present.* Large-size LCD screen with large and clear number display. * Instantaneous FHR and average FHR display on the same screen. * Common3*AAA batteries. * Tele-interface enables the fetal heart sounds to be tele transmitted through telephone lines. * Dual stereo speakers,loud sound and water-proof probe. * Fetal heart sound after 12 weeks pregnancy can be monitored. * USB interface can upload date. Technical parameters: Display Screen: 40mm×35mm Ultrasound frequency:3.0MHz Output intensity of ultrasound:<10Mw/cm2 scope of FHR measurement and display:40--220bpm Accuracy of FHR Measurement:1bpm Power of Voice Output:1W Ranges of Voice Output Frequency:500dB--3000 dB Working temperature:0--40 Relative humidity:30%--80% Scope of Atmospheric pressure:70kPa--106kPa Power Supply:3*AAA dry batteries Input range of adapter:AC100V240V,50/60Hz Continuous working time:>4 hours Volume:130mm×100mm×32mm Weight:750g Communication port:USB2.0