SECURE & UNIQUE RESETTABLE: Smart 5-digit resettable combination chain lock, much safer than other 4-digit locks. Easy to set your own personalized number combination. BRAIDED STEEL & PVC COATING: The bike cable is made of high-strength braided steel wire, which can withstand 2.4 KN tension and 7 KN shear force, more strength and flexibility. And the protective vinyl (PVC) coating helps prevent scratches and longer-lasting wear. SELF-COILING & MOUNTING BRACKET: 4-foot by 1/2-inch cable is long enough for different users; Self-coiling design makes it easy to carry; Equipped with a free mounting bracket, the lock can be easily attached to other objects; The quick-release button makes it easy to install or remove the lock. CONVENIENT TO USE: The combination locking mechanism provides keyless convenience, and you can set your own password in simple steps. With this convenient keyless lock, you won't worry about losing your key and forgetting to carry it. The code design saves you the trouble of carrying keys. The code is resettable: there are 100,000 combinations you can set, making the chances of cracking the code only 1/100,000. The default code is 00000. MULTI-PURPOSE: The cable is 4 feet long, which is enough to lock 2 or 3 bikes together, or lock your bike to a tree, gate, fence, railing, thick post, and more. The lock can also be used for motorcycles, scooters, skateboards, grills, ladders, gates, lawnmowers, and many more.