Features: 

• Dual color HIGH RESOLUTION easy to read OLED display.
• Display SpO₂, Pulse Rate , Pulse Bar and Plethysmogram.
• 6 display modes for easy reading from all sides.
• Low power consumption, automatic power off
  • Approximately 30 Hour normal operation.
• Battery-low indicator.
• Supports 2 AAA alkaline or rechargeable batteries.
• 10 setting adjustable brightness.
• Accommodates widest range of finger sizes from pediatric to adult.
• Small & lightweight design ( total 0.06 lbs without batteries ).
• 2 year limited warranty.