SECURE & 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 bicycle cable is made of high-strength braided steel wire, which can withstand 2.4KN tension and 7KN shear force, more strength and flexibility. And the protective vinyl coating (PVC) helps prevent scratches and makes it more durable. SELF-COILING & MOUNTING BRACKET: 120 cm long 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 items; The quick installation button makes it easy to install or remove the lock. CONVENIENT TO USE: The combination lock mechanism provides keyless convenience and you can set your own password with simple steps. With a keyless convenience lock, you don't have to worry about losing your key and forgetting to bring it. The code design saves you the hassle 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. VERSATILE: The cable is 120 cm, long enough to lock 2-3 bikes together, or lock your bike to a tree, gate, fence, railing, thick pole and others. The lock can also be used for motorcycles, scooters, skateboards, grills, ladders, doors, lawnmowers and many others.