1. SECURE & RESETTABLE: Smart 5-digit resettable combination chain lock, safer than other 4-digit locks. Easy to set your own personalized number combination. 2. BRAIDED STEEL & PVC COATING: The bike cable is made of high strength braided steel wire, which can withstand 2.4KN tension and 7KN shear force, with more strength and flexibility. And the protective vinyl coating (PVC) helps prevent scratching and more durable wear. 3. SELF COILING & MOUNTING BRACKET: 4 Feet by 1/2 inch cable is long enough for different users; Self coiling design makes it easy to carry; Equipped with complimentary mounting bracket, the lock can be easily added to other objects; The quick installation button makes it convenient to install or remove the lock. 4. CONVENIENT TO USE: Combination locking mechanism provides keyless convenience and allows you to set your own password through easy steps. With keyless convenience lock, you don't worry about losing the key and forgetting to carry it. Code design saves you from the hassle of carrying keys. The code is resettable - there are 10,000 combinations you can set, which makes the chances to crack the code 1/10,000. The default code is 00000. 5. MULTI-PURPOSE: The cable is 4 feet, 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.