Anti Theft Case Faraday Cage Keyless Horizontal and Vertical

Set of Two BLOW Keyless Cases combines style, quality, and security. Our anti-theft cases work on the Faraday cage principle, meaning no electromagnetic signal escapes from the cases, protecting your car from theft via relay attacks.
Certified electromagnetic wave blocking material of the highest class
High-quality covers sewn with carbon fiber
Proven effectiveness for all car brands
Set includes 2 cases: one opens vertically, the other horizontally.
Inside each is a key ring allowing attachment of the case to a key.
Specifications:
Material: Carbon fiber
Number of protective layers: 4
Closure: Velcro
Number of compartments: 2
Dimensions: 8.5 x 13 cm and 12.5 x 8.5 cm
Inside key ring
NOTE
The covers have two compartments. To protect your car from theft, the key must be placed in the silver-gold pocket that blocks the signal.
Remember to secure the spare key as well; the key signal can be intercepted even if it is inside the house.