Blood Pressure Monitor Features 1. Backlit with Negative LCD 2. Large White Font-Can Be Read in Any Angle 3. WHO Colour Coded BP Indicator 4. Premium Modern Surface Finish 5. 120 Sets of Memory for 2 Groups 6. Records with Exact Date & Time 7. Auto Power-Off Specifications Measurement Oscillometric BPM, Automatic Inflation & Deflation Memory 120 Sets of Memory for 2 Groups Accuracy Pulse : ± 5%, Blood Pressure: ± 3 mmHg Measurement Range Pulse: 30 ~ 180 / min, Blood pressure : 30~280 mmHg Dimension Cuff Size: 520 Ã? 140 mm., > Weight: 120g (excluding battery) Automatic Power Off Power Off after 1 Minute Idle Time for Power Saving Power Supply Type: 4 x AA Batteries , Life Time: Approx. 800 Time of Measurements Operation Condition Temperature: 5 ~ 40°C, Humidity :