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