1. Small & lightweight design
2. colour packing
3. True color OLED display
4. 4 display modes
5. Display Spo2,PR,PI,Pulse Bar,Plethysmogram
6. Low power consumption,automatically power off
7. Low-voltage indicator
8. 2AAA alkaline batteries
9. Accommodates widest range of finger sizes from pediatric to adult
10. Audible & Visual alarms.
11. Standard Accessory
12. Operating manual
13. Hang string