Fingertip Pulse Oximeter Advantage™ 2200 Battery Operated

Features
A portable fingertip pulse oximeter ideally suited for home, sport, or aviation use
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