Nonin's Onyx 9500 is world's first self-contained digital finger pulse oximeter. The Nonin Onyx 9500 Pulse Oximeter also incorporates the electronics and the sensor into one unit.

Nonin Onyx 9500 Pulse Oximeter Features:

• Proven accuracy & durability
• Simple automatic on/off operation
• Does not require a sensor
• Very small size; convenient to carry at all times
• 18 hours of continuous use (1600 spot checks)
• 2 year manufacturer warranty