Storage objects: credit cards, electronic chips, mobile phones, electronic devices with radiation It's a small case with Signal Blocking / Anti-Hacking / Vehicle Security for key fobs & Electronic Devices. Just make sure that you put the device into the pouch for protection. Primary Uses / Applications: Thwarts car theft from thieves using the key fob hacking method Protects vehicles from malicious entry Allows a spare key fob to be stored in a vehicle (the vehicle doesn't know it's there, so it will allow itself to be locked) Secures credit cards and RFID chips from hacking Protects staff personnel access cards from being copied
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