The USB biological monitor allows a very simple setup to view your altitude load and intensity.  Plugs into any USB port and comes with software for real-time display, recording overnight and saving client files for review later.

Features include:

• Plug and play
• Comprehensive software for real-time and recording
• Plethgraph and trend line
• Up to 4 simultaneous users possible, perfect for clinic or commercial applications
• Perfect for sleeping, exercising and intermittent altitude training

Single user software

Quad user software