These test strips work in Contour Next Meters only. Will not work in Contour meters that are not "Next". Bayer Contour Next test strips have technology that evaluates every blood sample 7 times for accurate results. For use with all Bayer Contour Next meters and Contour Next EZ meters. No coding for ease and accuracy. Save on Contour Next test strips when you buy from Glucomart. Your best source for contour Next EZ meter and Bayer Contour Next EZ Test Strips.