[Strong shielding function] This Faraday box offers enhanced signal shielding compared to traditional signal shielding bags, providing 100% signal blockage to help prevent vehicle theft. Its sleek and modern design makes it both functional and visually appealing. [Capacity] Dimensions: 6.3x4.7x3.7 inches (16x12x9.5cm). This signal shielding box fits all car key models, as well as mobile phones, credit cards, and similar items. Tested to hold 4-5 car keys, including key rings and house keys, offering ample space for spare keys. [Easy to use] Features a classic locking mechanism for simple operation. Simply place your car key inside and secure the lock to help protect against wireless hacking of your car’s security system. Provides reliable protection at home or on the go. [Excellent workmanship and durability] Constructed with high-quality leather exterior, solid Russian wood interior, and double-layer insulating fabric lining for enhanced durability and wear resistance. Includes elastic foam padding on the top to help prevent deformation. [Best service support] This signal shielding box is ideal for owners of vehicles with keyless entry systems. Test the box with your key upon receipt. If any issues arise, return or refund options are available. Why get a signal shielding box? With the increasing use of keyless entry systems in modern vehicles, securing your car key when not in use is more important than ever. Without proper protection, unauthorized individuals may use RF signal amplifiers to detect and relay signals, potentially leading to vehicle theft. This Faraday box acts as a signal barrier, blocking transmissions from your key fob to help prevent relay attacks and unauthorized access. Why choose our signal shielding box? Upgraded materials include solid Russian wood, double-layer insulating fabric lining, and premium leather exterior for long-lasting performance. Offers superior durability and resistance to wear. Enhanced shielding capability provides stronger protection than standard signal shielding bags, ensuring complete signal isolation. Spacious interior accommodates multiple keys and small electronic devices. Package includes: 1 x Signal Shielding Box