Masimo SafetyNet Alert

Oxygen Monitoring & Alert System


Continuously monitors your blood oxygen level – providing alerts to help wake you, and notify your loved ones, if your oxygen level drops too low.




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Continuously Monitors Your Oxygen Level

  • Tracks blood oxygen level and pulse rate
  • Monitors automatically, even while you’re sleeping

Escalates Alerts If Your Oxygen Is Low

  • Provides escalating alerts when your blood oxygen level drops
  • Raises awareness when help may be needed

Alert 1: Caution

phone displaying safetynet alert app caution screen

Alert 2: Warning

phone displaying safetynet alert app warning screen

Alert 3: Emergency

phone displaying safetynet alert app emergency screen

Easy to Use, Comfortable to Wear

hand wearing safetynet alert device on wrist
  • Lightweight, disposable fingertip sensor
  • Wirelessly communicates to the mobile app

Clinically Proven Technology

  • Uses Masimo SET® pulse oximetry
  • The same technology trusted by doctors and hospitals
Patient Sitting in hospital bed wearing Masimo SET on arm
Masimo SET® is the primary pulse oximetry at 9 of the top 10 U.S. hospitals1
Trusted by care providers around the world to monitor more than 200 million patients each year2
Shown in more than 100 independent studies to outperform other pulse oximetry technologies3


  • 1 Estimate: Masimo data on file.
  • 2 Shah et al. J Clin Anesth. 2012;24(5):385-91.
  • 3 Barker SJ, Wilson WC: Accuracy of Masimo SET ® Pulse Oximetry in Black and White Volunteer Subjects: A Retrospective Review – in press – Abstract accepted by Society of Technology in Anesthesiology – Available online Jan 15, 2022.
  • * Alert levels are preset but can be customized by you or on the advice of a physician.
  • Emergency contacts must agree to receive alerts.