With the portable ECG monitor you can measure your ECG anytime and anywhere. The device shows you your ECG curve, heart rate, oxygen saturation, perfusion index, analyzes them and records them. The daily vital check function takes only 20 seconds. So you can easily show the stored values at your next doctor visit. Product Description Checkme Lite. Portable single-channel ECG monitor with professional ECG algorithm. Display of ECG curve, heart rate, SpO2. Daily vital check function in just 20 seconds. Easy to use. Compact and handy, completely wireless measurement. Clear, colorful LCD dislay and touch screen. Adjustable brightness levels. Evaluation via PC software. Rechargeable battery, with USB cable, operating instructions.