key card
US /ˈkiː kɑːrd/
UK /ˈkiː kɑːrd/
1.
Schlüsselkarte, Zutrittskarte
a plastic card with a magnetic strip or embedded microchip that is used to open a door or operate a device, especially in hotels or secure buildings
:
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I used my key card to access my hotel room.
Ich habe meine Schlüsselkarte benutzt, um mein Hotelzimmer zu betreten.
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Please remember to return your key card at check-out.
Bitte denken Sie daran, Ihre Schlüsselkarte beim Auschecken zurückzugeben.