One Touch Ultra Test Strips are for use with the One Touch Ultra and OneTouch UltraSmart Meters for quantitatively measuring glucose in whole blood. Fast test time of 5 seconds. OneTouch Ultra Test Strips are for blood glucose testing with the OneTouch Ultra Family of Meters, and the InDuo Systems. Tiny blood sample (1 microlitre) End-fill strip automatically draws in blood Indicator window shows when you have enough blood Touchable strip Easy-open flip-top vial for use with the One Touch Ultra brand and InDuo meters only.