key fob
US /ˈkiː fɑːb/
UK /ˈkiː fɑːb/

名詞
1.
キーフォブ, スマートキー
a small remote control device that allows you to lock and unlock a car or other vehicle without using a key, and often to start the engine or open the trunk remotely
例:
•
I accidentally locked my key fob in the car.
誤ってキーフォブを車内に閉じ込めてしまった。
•
My car's key fob needs a new battery.
車のキーフォブに新しい電池が必要だ。
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