TSA Approved: The Luggage Locker 2 is accepted by the TSA so that TSA inspectors can unlock luggage with an official security control key. With the ZHENG TSA case combination lock, you must lock it again before you can remove the key, ensuring your belongings remain protected. If the lock is opened, the red opening alarm indicator will pop up to notify you as soon as you retrieve your luggage at the airport. Easy Handling: Code setting is easy with the flip-and-set button on the bottom. Instructions are included on the back of the package. High contrast white numbers on black wheels make it easier to read. Equipped with an advanced damping device that clicks into place with each dial to improve alignment accuracy. This user-friendly TSA lock is suitable for both young and old. Safe & Robust: The TSA combination lock features a 4-digit code with 10,000 possible combinations, offering greater security than a 3-digit lock. Made of high-strength zinc alloy, the TSA case lock is durable enough to withstand tough luggage conditions. The slide-open mechanism is advanced and unique in the market, providing high resistance to technical and forced entry attempts. Flexible Cable: The flexible cable fits through standard size zippers on suitcases, backpacks, travel bags, briefcases, and similar luggage. With a total length of 5.5 inches, the reinforced cord can secure 2-3 sets of zippers simultaneously, protecting the entire case or bag. This TSA luggage lock is also ideal for use as a padlock for gym lockers, school lockers, drawers, toolboxes, cupboards, and more. Guarantee: Each suitcase lock comes with a 12-month warranty and lifelong technical support. Our professional and friendly customer service team is available 24/7 to assist you. Buy with confidence.