Multi Dopplex II Supplied with one transducer of choice: 4 5 8 10 MHz or 2 3 Obstetric Mhz * A sophisticated pocket Doppler with bi-directional indicatoin of blood flow velocity 4 level gain control LCD display outputs and true separated audio signals active noise reduction digital interface to Dopplex Printer/ EKG/ or Dopplex Reporter software package for printout of waveforms (RS232) * Power Source: 9 Volt Battery * Auto-Shut off: * Includes: Probe of choice soft carry case neck cord headphones gel battery fitted pocket clip warranty card and user manual *