key fob

US /ˈkiː fɑːb/
UK /ˈkiː fɑːb/
"key fob" picture
1.

遙控鑰匙, 智能鑰匙

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

:
I accidentally locked my key fob in the car.
我不小心把遙控鑰匙鎖在車裡了。
My car's key fob needs a new battery.
我汽車的遙控鑰匙需要新電池。