The Accu-Chek Instant Test Strip, a box of 50 strips works with the Accu-Chek Instant Glucometer which is made to measure the glucose level in blood The manual is not included in the pack. It is a refil pack of 50 Accu-Chek instant gluco strips for your existing Accu-Chek Instant Meter . The strips can be used until the expiry date printed on the pack even after opening the same. These strips can be used to measure glucose in all types of blood including venous, arterial or even neonatal blood. There is no setup required – just insert a test strip, apply a small blood sample and read your blood glucose result on the large display.