SAMFOLK Key Case for Relay Attack Relay Attack Prevention Smart Key Radio Wave Blocking Key Signal Relay Attack Smart Key Car Official 3D Carbon M

[Car Official Goods - Key Case for Relay Attack Prevention] The principle of the key case for relay attack prevention is that there is a layer of electroplated metal mesh inside, and it mainly relies on this metal mesh to shield radiation and electromagnetic signals! Just put the smart key in the radio wave blocking case and the key's radio waves will be completely blocked. ★Note: If the case lid is not completely closed, the radio waves will not be blocked, so please be careful when using it. [Thickened double-layer radio wave blocking material] The material of the key case for preventing relay attacks has a direct impact on its effectiveness in preventing theft. The key case made of double-layer radio wave blocking material is highly reliable and has excellent signal blocking effect. It effectively blocks electromagnetic waves and prevents signal relay from attackers. The durability of the key case is also important. A durable key case can withstand daily use and impacts, providing long-term reliability. [Multifunctional Smart Key Case] Key cases designed to prevent relay attacks may incorporate a variety of functions beyond simple signal blocking. Not only can they block RFID, they can also block WiFi (2.4 and 5GHz), Bluetooth, GPS, NFC, and car key signals. ★Note: If the case lid is not completely closed, radio waves cannot be blocked, so please be careful when using it. [Large size, wide range of compatibility] Much larger than a normal smart key box for preventing relay attacks. Exterior size: Width * Depth * Height 15.8 * 12 * 9 cm, Interior size: Width * Depth * Height 14.5 * 10.7 * 7 cm. It can store up to 6 to 8 smart keys, and when you go home every day, just put the smart key in the box to safely protect your family's beloved car from theft. It can also be used to store spare keys. You can also put credit cards, various magnetic cards, and smartphones in it to effectively prevent card demagnetization and interference prevention. [Luxurious appearance and excellent durability] The exterior is made of high-quality carbon fiber PU leather, and the interior lining is equipped with double radio wave blocking material that blocks all signals. The reinforced metal fittings provide a tight seal and high anti-theft effect. This box has a more luxurious feel and is perfect for decorating your car, home, entrance, or anywhere else, or as a gift. The photo is just to show the size of the internal space of the box, the actual opening angle is about 60 degrees, which can better ensure the effect of relay attack prevention and can also prolong the use of the relay attack prevention function.