Bionet Oxy9Wave Vet is the successor to the popular Oxy9Vet Pulse Oximeter. This compact rechargable, veterinary pulse oximeter operates up to 20 hours on one charge. SpO2, BPM, SpO2 limit, Level Bar, Heartbeat Wave, Time and Date, and more. Audible alarms sound if SpO2 or pulse are outside the user definable normal limits. *Nellcor Compatibility