Anyone worried about relay theft on keyless-entry vehicles can block the signal with these, and you get two for $5, half off the $10 list price. Apply coupon code "N6ATO1DX" for a savings of $5.
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Features Blocks WiFi, Bluetooth, GPS, RFID, and NFC signals Protects key fobs from relay attacks Water-resistant carbon fiber-textured shell Dual compartments for cards and key fobs Integrated keychain clip for easy carrying