key fob - Definition & Meaning

a small electronic device that remotely controls functions such as locking and unlocking doors on a cara small electronic device that remotely controls functions such as locking and unlocking doors on a car

A key fob is a small electronic device used to control the locking and unlocking of a vehicle. It is part of a remote keyless system, which allows a person to lock, unlock, or even start their car without physically inserting a key into the door or ignition. Key fobs work by sending signals to the vehicle, enabling the user to perform these functions from a distance. These devices often come with additional features, such as a panic button or remote trunk release.A key fob is a small electronic device used to control the locking and unlocking of a vehicle. It is part of a remote keyless system, which allows a person to lock, unlock, or even start their car without physically inserting a key into the door or ignition. Key fobs work by sending signals to the vehicle, enabling the user to perform these functions from a distance. These devices often come with additional features, such as a panic button or remote trunk release.

例句

My new car came with a key fob that allows me to unlock the doors from a distance.
我的新车配备了一个遥控钥匙，可以让我从远处解锁车门。
The key fob also has a panic button in case of emergencies.
钥匙扣在紧急情况下还有一个紧急按钮。
I often forget where I put my key fob because it's so small.
我经常忘记我把我的钥匙扣放在哪里，因为它太小了。