The 2200 features:
- Reads SPO2 and Pulse Rate
- Accuracy: SPO2 ±2% / HR ±5 BPM
- 2 changeable display modes
- Bright red LED display
- Fits fingers with a thickness of 8mm-20mm (0.31"-0.79")
- Carry Lanyard
- 2 “AAA” Batteries
- Instruction Booklet
- 1 year limited warranty