Faraday Box Signal Blocking Holder for 5~8 Car Keys Key Safe Fob Protector

Multi-functional Signal Shielding Box:This shielding box is designed to prevent vehicle theft, it prevents thieves from acquiring and relaying signals from your keys to prevent theft and keyless ignition theft, never worry about your car being stolen again. It can also block enough various signals such as call data, Bluetooth, WIFI, GPS, RFID and radio signals to prevent tracking and protect your privacy. Made of high quality leather material, with multiple blocking inside through nickel-copper RFID and density board to ensure better information blocking effect!