SonoTech Xpress SonoTech Xpress is an advanced obstetrical fetal Doppler, It applies one-button operation function, and the FHR value is shown on the LCD monitor. The frozen function enables them to observe the value when the device is removed from the body. Additional stereo cable connects with the device so that you can record the sound Small Fetal heart beat indicator. Easy to use Heart rate Display ( 25*14 mm) Clear sound ,and less noise Can hang it by hang lace Automatic Display Freezing After remove from the body Light weight of 80g, batteries included Runs on standard AAA batteries and continuous working time is 8 hours Options: Mini speaker, Rechargeable battery &Charger ,Small bag (case) Chargeable battery and Charger: Extra Accessories :

Display (L) 110 x (W) 55 x (H) 16 mm Ultrasound Working Mode Continuous Wave Wafer ¡Ó20/2 Frequency 2.0MHz¡À10% Transmitting Power <10mW/C©O(Isata) FHR Range 50¡ª240bpm Overall sensitivity ¡Ý90dB Audio Speaker Power ¡Ü1.8W Audio Output Power 1W Recording Mode Sampling Frequency 8Khz Recording Duration 240s Operation Environment Operation Temperature 5--40 Power Power 2 AAA size 1.5V Alkaline Batteries or 2 AAA 1.5V rechargeable batteries Input Power 3VA Continuously Operating Time >8 hours Dimension Height 110mm Width 55mm De