Safe and adjustable: intelligent 5-digit resettable combination chain lock, much safer than other 4-digit locks. Easy to set your own personalised combination. (The factory set combination is 0000) Braided steel and PVC coating: the bicycle lock is made of high-strength braided steel wire, which can withstand a voltage of 2.4 kN and a shear force of 7 kN, more strength and flexibility. And the protective vinyl coating (PVC) prevents scratches and lasting wear. Convenience: the combination locking mechanism provides keyless convenience and sets your own password in simple steps. With the keyless comfort lock, you don't have to worry about losing the key and forgetting to carry. Code design saves you the hassle of carrying keys. Self-winding and mounting bracket: the cable is long enough for different users. The self-winding design makes it easy to carry. Equipped with a free bracket, the lock can be easily attached to other objects. With the quick installation button, the lock can be easily installed or removed. MULTIPURPOSE - The bike lock is 1.8m long and long, enough to connect 2-3 bicycles together, or to attach 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.