It adopts power analysis to oxidize and decompose blood to support a more accurate measurement for diabetes. Principle :siphon principle Available domestic and medical Bio-directional blood sucking * high accuracy, stable * one strip to one lancet * storage condition: 1 -30 * shelf-life: 18 months( discard 3 months after first opening) Volume of blood: 3ul(abt) Dimensions:8.5cm*5.4cm*1.8cm Package: Individual packing: 1pc/bag, 20bags/box 1pc/bag, 40bags/box & 1 coding 1pc/bag, 120bags/box Vial: 40pcs/vial, 1vial/box 40pcs/vial, 2vials/box & 1 coding 40pcs/vial, 3vials/box