Most modern key fobs have a hidden mechanical key inside. Press a small button or slide a tab to access it. This is useful if ...

How much thought do you pay to your car key fob? This piece of plastic may be little, but can help you do more than just unlocking your car.

The keycard's two buttons can be programmed to operate two different access points, such as ‘in' and ‘out' car park barriers. Pressing a button momentarily boosts the range of the keycard from a ...