Material: ABS + PC
Measuring arm circumference: 220-320mm / 8.7-12.6in
Measurement ranges: bloods pressures: 0 ~ 280mmhg (0 ~ 37.3kpa), pulse rate: 40 ~ 195 times / min
Measurement accuracy: bloods pressures value ± 0.4kpa (± 3mmHg), pulse number reading value ± 5%
Working temperature: 10 °C ~ 40 °C
Working humidity: 40% ~ 85%
Storage temperature: - 20 °C ~ 50 °C
Storage humidity: 15% ~ 90%
Display screen size: 41 * 61mm / 1.6 * 2.4in
Battery model: 4 * 1.5V (4 AAA alkaline, shipment without battery)
Plug: USB (Not include)
Package weight: 313g/11oz
Pacakge Size: 13.7*10*8.6cm/5.4*3.9*3.4in