1.[SECURE & RESETTABLE] Smart 5-digit resettable combination chain lock, much r than other 4 digit locks. Easy to set your own personalized number combination. Code design saves you from the hassle of carrying keys. The code is resettable - there are 100,000 combinations you can set, which makes the chances to crack the code only 1/100,000. The default code is 00000. 2.[MULTI-PURPOSE] This bike cable lock is 4 feet long, long enough to lock 2-3 bikes together, or lock your bike to a tree, gate, fence, railing, thick pole and others,which can also be used for Bikes, motorcycles, scooters, skateboards, grills, ladders, doors, lawnmowers and many others. 3.[High Strength & Scratch Proof] Flexible steel cables for strong cut resistance and PVC coating helps prevent scratching and keeping more durable. High Security 5 Digit Resettable Combination Coiling Bicycle Lock with Complimentary Mounting Bracket makes it more convenient for you to place the lock. 4.[CONVENIENT TO USE WITHOUT KEY] Combination locking mechanism provide keyless convenience and set your own password by easy steps.