Chip Specifications: High sensitivity human recombinant thromboplastin, On-board QC (QC Channel), Lot calibration integrated into Chip: Datamatrix, Packed individually, 15 months expiry date at RT (36-77 degrees F), 15 min stability once opened at room temperature, Exclusive reference for USA: intended to be used exclusively in FDA cleared Meters.- microINR Chips, 25/bx (Not Available for Sale into Canada)