Wisdompro RFID Key FOB Protector for Car Key Signal Blocking, WP4697 Faraday Bag for Anti-Hacking, Anti-Theft Pouch

Specially designed and stitched to block RFID signals in the range of 10 MHz - 3 GHz How to Use: The faraday bag has 2 pockets and only the silver lined pocket can block signals. Please make sure that your key fob is put into the SILVER LINED POCKET and completely close the flap. Block Car-key FOB Signal - Keep your car's security system from getting hacked Size: 5.3" x 3.9" - Large enough to hold a car-key fob, a few metal keys, and credit cards, debit cards at the same time With a small metal ring, it's convenient and easy to attach

Product Dimensions: 7.68 x 4.49 x 0.63 inches Department: unisex-adult Date First Available: October 26, 2018 Manufacturer: Wisdompro ASIN: B095H3KQDJ