key card
US /ˈkiː kɑːrd/
UK /ˈkiː kɑːrd/
1.
tarjeta llave, tarjeta de acceso
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.
Usé mi tarjeta llave para acceder a mi habitación de hotel.
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Please remember to return your key card at check-out.
Por favor, recuerde devolver su tarjeta llave al hacer el check-out.