Safe and repeatable setting: The smart 5-digit password can reset the combination chain lock, which is more secure than other 4-digit password locks. Easily set up your own personalized digital combination. Braided steel and PVC coating: The bicycle cable is made of high-strength braided steel wire, which can withstand a tension of 2.4KN and a shear force of 7KN for greater strength and flexibility. Protective vinyl coating (PVC) helps prevent scratchesand is more durable. Self-winding and mounting bracket: 4 feet by 1 or 2 inch (about 1.3 cm) cable is long enough for different users self-winding design makes it easy to carry equipped with free mounting bracket, lock can be easily added to other items Quick install buttonto install or remove the lock. Easy to use: The combination lock mechanism provides keyless convenience, and you can set your own password through simple steps. With the key-free convenient lock, you don't have to worry about losing the key and forgetting to carry it. The code designsaves you the trouble of carrying keys. The codes are resettable-you can set 10,000 combinations, which may only be 1 or 10,000 of crack codes. The default code is 00000. Multi-purpose: The cable is 4 feet long (about 1.2 meters), which is enough to lock 2-3 bicycles together, or to lock your bicycle on trees, gates, fences, thick poles, etc. This lock can also be used on motorcycles, scooters, barbecue grills, ladders,doors, lawn mowers, etc.