Features:Voltage power detection,Low power consumptionDisplay:Digital liquid crystal displayFashionable outward,Light and compact,Easy to carry,suitable for health care(medical field,familes and adult)Auto power off:Auto power off when no operation for 1 minute. Specifications:Material: plasticColor:Black/WhiteSize：6.8*7.5*2.5cm/2.67*2.95*0.98inchPackage includes1 x Wrist Type Blood Pressure Monitor