How does Our Car key Signal blocker box work?
The inside layer of car fob faraday bag is covered by RFID Nano-shielding material
It's shielding effectiveness is about 70-90db
Your car key's signal strength is about 58db, which means car key signal will be 100% blocked!!
1. Thwarts car theft from thieves using the key fob hacking method
2. Protects vehicles from malicious entry
3. Allows a spare key fob to be stored in a vehicle
4. Secures credit cards and RFID chips from hacking
5. Protects staff personnel access cards from being copies
6. Protects pregnant women from being affected by the radiation form their phones
* 2X Car key wallet pouch case
1,Please do not wash the Car key fob signal blocker to keep good effects
2,Please do remember the inner layer will block 100% signals. The outer layer can only reduce radiation
3,If any problem, please feel free to contact us and we will try our best to help