key fob
US /ˈkiː fɑːb/
UK /ˈkiː fɑːb/

1.
pilot do kluczyków, kluczyk zdalnego sterowania
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.
Przypadkowo zamknąłem pilot do kluczyków w samochodzie.
•
My car's key fob needs a new battery.
Pilot do kluczyków mojego samochodu potrzebuje nowej baterii.