130 Decibel Alarm: When tampered with, the built-in 130-decibel alarm screams loudly, instantly deterring thieves and alerting you and those nearby to potential theft. Versatile Usage: Perfect for securing not only bikes but also scooters, E-Bike, and other valuable outdoor equipment, our U lock is a versatile solution for all your security needs. 52Inch double-looped steel cable 12mm thick (including PVC covering). You can use the cable to lock the frame, your helmet, the wheels, or other bikes. 304 Stainless Steel Construction: Built to last, our U lock is made from high-quality 304 stainless steel, known for its exceptional strength, rust resistance, and longevity. The package includes: 1x Alarm U Lock, 1x Double-Looped Steel Cable, 1x CR2 lithium battery, 3x keys. Introducing the Ultimate Bike U Lock with 130 Decibel Alarm - Your Trusted Guardian Against Theft! This bike lock comes with a 52 Inch premium Double-Looped Steel Cable, and the whole diameter of the line is 1 inch thick, and it will provide your bike with greater locking flexibility and better protection. Protect your precious bike with our state-of-the-art Bike U Lock, crafted from premium 304 stainless steel for unparalleled durability and security. With its cutting-edge 130-decibel alarm system, this lock is your ultimate defense against bike theft, giving you peace of mind like never before.