Protects keys from data theft, for shielding RFID, NFC, keyless, radio chip. Keyless GO keys can be used to electronically open and start vehicles. Hackers can also steal this key data wirelessly and remotely (RFID/NFC). To prevent unauthorized access to this data, you should store the car key in a protective case. Maximum radio signal shielding thanks to combined Cryptalloy damping. Dimensions (L x W x H): 12 x 8 x 0.4 cm. Weight: 0.05 kg. Width 80.0 mm Features universal Main color black Height 4.0 mm Application area car Length 120.0 mm Type/kind Item Design comfort