To prevent unauthorized release of a card case of a cash card, etc.

This card holder is constituted so that a case is freely opened when a person is recognized as principal by biometrics and while receiving a release signal from a remote controller capable of transmitting a radio release signal, however, the case is locked and can not be opened when a lock button 5 is pressed and when a radio signal does not reach by adding a locking mechanism, a release mechanism, biometrics devices 4 such as voice recognition and fingerprint recognition and a radio release signal receiver 7 to the case 1 created by materials with an electromagnetic wave blocking effect and which cannot be destructed with a tool as a cutter knife and created in order to store the cash card issued by a credit company or a bank, etc.