A high-performance Ultrasonic Doppler unit in shock-proof ABS moulded body for locating the position of Placenta or confirming the life and heartbeat of foetus. Bright LEDs to indicate Beats Per Minute (BPM), HILO Limit Setting, Microprocessor controlled, Digital display for sound level,Digital control for sound level, Audiovisual alarm, Enhanced performance - works even with obese patients or in case of hydramnios, Built-in rechargable battery backup.