Correct sitting posture when smart wearable devices measure healthcare parameters Correct sitting posture when smart wearable devices measure healthcare parameters Wearable GPS tracker for senior healthcare consist of numerous sensor technologies that are worn on the wrist and measure parameters such as heart rate , blood pressure , SpO2 and Body temperature,correct sitting posture it will be more accuracy data achieved. Please kindly note all our GPS wearable device for elderly with senors for healthcare are not the medical devices , the datas for reference only . We not set any target for alarm alerts in our server . Our GPS device the healthcare data accuracy is more than 98%. Temperature +- 0.01 °C accuracy, you can compare it with the medical device