Arm Type Electronic Blood Pressure Monitor LCD Digital Display Automatic Shutdown Operation Blood Pressure Monitor Portable Tow Memories Blood Pressure Monitor.     Features:  - Accurate:  This monitor automatically takes the reading during inflation, with better percision and it's less affected by breathing or movements during measurement.  - Memory Storage:  Supports 2 users and 99 sets of readings for each user.  - Convenience:  One-touch design provides easy operation on daily basis, simply press the button to start your blood pressure measurement.  - Easy-To-Read:  Display provides a large digital screen to see and read your results easily.     Specifications:  Type: Arm Type.  Power Supply: 4 x AA Batteries (Not include) /USB 5V Adapter.  Automatic Shutdown: 30s.  Pressure Value Measurement Range: 0-295 ±3mmHg.  Pulse Rate Measurement Range: 40-199 ±5% BPM.  User Memory: 2*99 Memories.  LCD Size: 6.0*7.7 cm.  Cuff Circumference: 22-36 cm / 22-42 cm.     Package Included:  1 x Host.  1 x Universal Cuff.  4 x AA Batteries (Not include).  1 x Storage Bag.  1 x Quick Guide.  1 x JUMPER Health Use Manual