Signal Blocking Faraday Box for Car Keys - Black The case protects electronic devices from mechanical damage, but also has a number of other functions. First of all, it blocks signals and keeps the keys out of reach of the car, which prevents unauthorized people from hacking and opening your car. It also stops harmful radiation and prevents demagnetization of data carriers and loss of files stored on them. A necessary accessory for car owners equipped with a KEYLESS GO wireless car access system. Features: Color: Black Inner dimensions: 1.8 x 8.6 x 4.5 cm Compatible with: Car keys, small data carriers
