1.Meassurement range: BP: 0-280mmHg (0-37.3kPa)     Pluse: 40-199beats/min. 2.Cuff pressure range:  0-299mmHg (0-39.86kPa). 3.Accuracy: Pressure ±3mmHg (0.4kPa)/Pluse ±5% of the reading. 4.One key operation: Just one key to finish the whole meassurement after wearing the cuff properly. 5.Intelligent pressure control: Automatically detect and provide proper pressure in the cuff. 6.Memory: 1*99 groups memory. 7.Average function: last 3 groups average meassuring value. 8.Battery indicator. 9. Voice broadcast & Background music and WHO function in voice. 10.Material: ABS+LCD display 11.Power source: Built-in high capacity lithium battery-750 mAh. 12.Size: Device:5.51" (W) x 2.83" (L) x 1.30"(H)  Cuff perimeter:9.84"-14.2".LCD display size: 58x30mm 13.Weight: Device:251.2g 14.Certificate: CE, RoHS. 15.Accessories: Cuff + Manual + cable + battery 16. Color box: 173*114*67mm            Carton size: 355*365*260mm 17. Packing:1 pcs/box, 20 boxes/carton