Kangkang guards watch mobile terminal application software is a caring, watch using biological induction analog front-end chip, on wearable device to realize the medical level of blood pressure measurement and electrocardiogram measurement, use the top craftsmanship, need people to provide a full range of health guardian: movement step, real-time positioning, electronic fence, track playback, voice intercom, a key for help, the sleep monitoring, heart rate monitoring, blood pressure monitor, ecg measurement, caring reminder.