The Nonin Onyx Vantage 9590 Is A Valuable Tool In Any Situation Where A Fast And Accurate Reading Of Blood Oxygen Saturation And Pulse Rates Are Needed * The Nonin Onyx Vantage 9590 Fingertip Pulse Oximeter Is Intended For Use By Health Professionals * Clinician-facing Brilliant Easy-to-see Led Spo2 And Pulse Rate Can Be Read From Any Angle Day Or Night * Three-color Pulse Quality Indicator Led Provides A Quick Assessment Of Patient Pulse Quality * Nonins Proven Puresat Spo2 Technology For Accuracy In The Widest Range Of Patients And Settings * One Product For Both Pediatric To Adult Patients * Accommodates A Wide Range Of Finger Thicknesses: 8 Mm To 25.4 Mm (0.3 To 1.0 ) * Proven Durability * The Onyx Is Proven Tough Enough To Withstand A Minimum Of 50 Drops * Automatic Turn On And Off For Fast And Easy Spot Checks * Portable - Take The Nonin Onyx Vantage 9590 Anywhere * Weighs Less Than Two Ounces * Made In Usa