TracFone Prepaid Airtime Card, 400 Units, for all TracFone Phones 400 prepaid wireless units, good for 60 days from activation Local and long distance calls use 1 unit per minute, roaming calls use 2 units per minute Nationwide service, compatible with all TracFone handsets No contracts, bills, credit checks, or activation fees Note: Airtime cards are non-returnable, non-refundable and non-replaceable.