This portable, non-invasive monitor operates for more than 30 hours on two AAA batteries (included). Display screen is easy to read and includes bar graph technology to monitor heart rate. Conserves power by auto-shutoff when no signal is detected.

• Effective measuring range
  • Saturation: 70% - 100%
  • Pulse rate: 30 - 240 bpm
  • Measurement accuracy saturation: ±2%
  • Measurement pulse rate: ±2 bpm
• Includes lanyard, drawstring storage pouch & 2 AAA batteries
• Measures pulse oxygen saturation & pulse rate value
• Product may differ from image shown, however fit, form & function are the same