Dopplex DMX Digital Doppler with Rechargable Batteries and Medical Grade Charger (PROBE NOT INCLUDED) Features: High resolution colour display • Waveforms displayed in high definition • Wide viewing angle. Bi-directional waveform generated from the digital Doppler spectrum with auto scaling feature • Maximises accuracy and clarity of waveforms; essential for patients with poor blood flow. Data storage on micro SD card • Store waveforms and sounds for review or transfer to optional DR5 software package for printing reports Integrated charging & connectivity • USB port for quick and easy charging and communication with our software. Bluetooth wireless technology and stereo headphone connection socket. High sensitivity interchangeable probes • All new XS probes have been calibrated and fine-tuned for optimum use. • An optional PPG probe provides easy and accurate measurement of toe pressures. Hear the difference • Digital sound processing enables our new Dynamic Digital Noise Reduction (DDNR) system to eliminate the background hiss and the gel filter reduces the loud crackle when gel is applied.