The C21 Oximeter 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
• 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
See Technical Specs for more information on the C21 Finger Oximeter