VSH101 is a great chest-pad type 1-lead ECG device.  Chest-type ECG device is much more better for monitor your patient because it needs no hands or finger to put on the sensor. Normally, ECG check takes hours even days, handheld type or watch type ECG is useless for normal usage.  VSH101  has the best performance  sensing in the market, it has 24 bits resolution and 500 Hz frame rate. All the raw data can be fetch out in CSV file type. It has the best CMRR (70db, typical 100 db).  User can decide to have the raw data or the filtered data. 

VSH101 has a rechargible better in side the active time  is more than 2 days and it has a G-Sensor in side. It is great for pose detection and for motion-artifacts removal. VSH101 has a open protocol and open source sample code for users to creat your own telemedicine service or APP.  All the open protocol provides the G-Sensor, HRV, heart rate and the peak detection.

VSH101 has a  water proof of IP42  it passed the major ECG device regulation needed for certification. VSH101 has a big pad and light weight.  It is suitable for long-term monitoring usage.