Important note:- Only vial with complete 50 test strips inside will be sent in good packaging without company outer box. You will receive 50 SD CodeFree blood glucose test strips. These test strips are use with the sd codefree blood glucose monitor. You will also receive full instructions on how to use the strips. These are only strips without meter. Just insert your strip into the slot and the meter will automatically give you a reading in just 5 seconds these test strips can only be used with the sd codefree monitor codefree test strips - no need for re-coding strips or machine resets for every new batch of strips purchased.