Electronic sphygmomanometer, blood pressure test instrument, blood pressure measurement device description: (with voice read out) 1. automatic smart test 2. measurement process in the track measurement heart rate not align 3. big screen digital displayed, special for in the elderly 4.9 times memory storage 5. blood pressure distinguish reminded (by who partition) 6. no using, 1 minutes automatically shut machine FAQ: 1, and I should purchased wrist type sphygmomanometer also is arm type sphygmomanometer? Wrist type sphygmomanometer: advantages: carrying convenient, 2 section 7th, alkaline battery, compact simple, without de clothes directly in wrist at measurement; shortcomings: on measurement posture requirements high, that wrist Shang of sphygmomanometer to and heart a height, otherwise will has errors; arm type sphygmomanometer: advantages: on measurement posture requirements is low, without worried posture on errors of effects; shortcomings: volume slightly big, winter using to off clothes, once using 4 section 5th, alkaline battery, power consumption big, using cost high 2, and electronic sphygmomanometer what associate allowed? Traditional mercury sphygmomanometer is easily broken, need professional medical help measure mercury toxic environment, have been phased out internationally, so alternative electronic sphygmomanometer mercury sphygmomanometer is the trend. Many countries have banned the use of traditional mercury sphygmomanometer harmful to humans and the environment. So, using electronic device there is no fear of measurement results.