Fetal Doppler
MD800C33
-High sensitive ultrasound probe with optional frequency 2MHz, 2.5MHz or 3 MHz
-Built-in speaker and output interface
-Work modes: real-time, average, manual
-LCD screen displays FHR value, fetal heart rate, battery status, voice volume
-Power off automatically
-Charging and working indicator
-8 adjustable output voice volume
