ITEM NAME:1X(Car Key Signal Blocker Case,Key Fob Protector, Anti Theft Lock Devices,CL7Z5) 1X(Car Key Signal Blocker Case,Key Fob Protector, Anti Theft Lock Devices,CL7Z5) 1X(1)Block Credit Card Signal Which can prevent unwanted signal communications and signal amplification attacks to your card and devices. 2)Block Car key Fob Signal Keep your keyless entry remote fob system from duplication and the "always on" relay hack. 3)Secures credit cards and RFID chips from hacking. Protects staff personnel access cards from being copied. 4)Mini Size&Easy to carry. Portable design, easy to carry out every day. 1)Do Not Bleach/Dry Clean/Warm Iron/Hand Washing Excessively, or it will destroy the nano layer and affect the effect of use 2)The outer layer is just radiation,The inner layer is the shielding signal. 3)Signal Shielding bag must be closed, or it will affect the effect of use. Color: black + red Material: PU Package Contents: 2* key bag)
