key card

US /ˈkiː kɑːrd/
UK /ˈkiː kɑːrd/
"key card" picture
1.

thẻ khóa, thẻ từ

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

:
I used my key card to access my hotel room.
Tôi đã dùng thẻ khóa để vào phòng khách sạn.
Please remember to return your key card at check-out.
Vui lòng nhớ trả lại thẻ khóa khi trả phòng.