Features: 1. Comfortable measurement, accurate and reliable, and can observe their blood pressure at any time. 2. Automatic pressure, relaxed and comfortable. 3. Need not heavy and complicated operation, no professional knowledge, just click on a button automatically. 4. Have alarm Settings, can set a time, regularly remind in measuring blood pressure. 5. For the elderly, intimate design, the parameters of the smart, convenient record, compared to blood pressure values. 6. Appearance fashion, high-end atmosphere, small and portable. 7. Unique double memory function, let parents keep separate data, each record 90 set of data records, convenient and blood pressure. Description: Brand name: Heal Force Model: W02 Battery: 2 section AAA 1.5 v dry cell Measurement method: oscillometry Measurement range: Pressure: 0~280mmHg (0-37.3kpa) The pulse 40-199jump \/ points Accuracy: The static pressure: ±3mmHg(0.4kpa) The pulse reading: ± 5% Pressure: The pressure automatically Frustrated: Automatic discouraged Number of sets of memory: The 99 groups of 2 Operating environment: Temperature5\u2103 - 40 \u2103 Relative humidity: 15% - 80% Transportation and storage: Temperature: 20 -55 \u2103 Relative humidity: 10%-90% Net weight: 180g Armband circumference: 13.5-19.5cm Size: 68(L) X 68(W) X 25(H)mm Automatic shutdown time: 30 seconds Limit users: Over 18 years age Package Included: 1 X Host 1 X Case 1 X Battery 1 X Use manual Notes: 1. Please allow slight deviation for the measurement data and make sure you do not mind before ordering. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.