Digital Blood Pressure Monitor Upper Arm Fully Automatic for Accurate results with Micro Computer Intelligent Technology With Voice Function For Professional Use, Clinics, Hospitals, Home use, Nurses, Travel, School and Offices Product Specifications & Contents New Model with Micro Computer Intelligent 1 x Digital Blood Pressure Unit 1 x Adult Size Cuff 1 x Manual 1 x Soft Pouch 1 x Retail Box 1. Double 99 memory group: For 2 peoples 2. Measure range: Pressure :0-299mmHg(0-39.9kPa) Pulse rate :40-180times/min. 3. Accuracy: Pressure: ±3mmHg (within±4kPa). Pulse rate: accuracy is ±5% 4. Display: Digital liquid crystal display 5. Auto power off: Auto power off when no operation for 1 minute 6. Battery: Four alkaline batteries (not Included) 7. Battery lifespan: 300 times under the condition of 7 alkaline batteries with 23℃. 8. Operating temperatures: 5.0 to 40.0°C, ≤85% RH 9. Storage temperatures: -20.0 to 60.0°C, ≤95% RH 10. Dimensions: 126×100×53mm (not include Wristbands) This model is with voice Function Model AEG-B02 Display LCD digital Measurement method Oscillometric Measurement range Pressure 0mmHg-280mmHg Pulse 40Pulse-199Pulse/Minute Measurement accuracy Pressure ±3mmHg Pulse ±5% Resolution 1mmHg Power DC 6V (1.5V AAA* 4) Storage environment Temperature -10±55°C Humidity 10%-85&RH Operating environment Temperature 5°C-40°C Humidity 15%-85%RH Size 115*96*59mm