Just shop automobile key fobs in the signal blocking pouch and seal. A mobile phone can be stored in the Defender Signal Blocker and when sealed, the phone will be not able to receive calls, messages or alerts. Crooks take the details from your key fob, duplicate it and then use it to unlock your automobile.
Protects your keyless entry fob from Relay attacks
Expertly tested to a 99% success rate
Also blocks phone signals and GPS tracking
For safer driving as you are not distratced by your mobile phone