5-Digit Secure Password CombinationIt offers 100,000 password combinations, 10 times harder to crack than a 4-bit password, making it almost impossible to crack. Save the trouble of carrying the key, just enter the password to unlock, very convenient. High Strength Alloy Steel ChainThe inner chain is made of 5.7mm high quality alloy steel and will not be not cut and opened by thieves. Durable and safe to provide cut resistance and a protective cover to prevent scratches. Easy to Set Up Your Combo Default code is 00000.Turn the plastic knob 90 degrees clockwise. a watch to the designated position, then set a new code (it is recommended to set 00001 first, ensuring that the numbers are aligned with the pointer). Then return the knob to its original position. The new password is set successfully Suitable For Bicycles and Motorcycles With a length of 90cm (35.4 inches), you can lock the wheel to poles, trees, railings and other objects. other accessories. It can also be used to lock gates, garden fences, sports equipment, barbecues, ladders, anything you need to lock. Protective Cloth CoverA special waterproof cloth cover rainproof, dustproof and friction on the outside of the chain, which plays a good role in protecting the chain and making the chain lock more durable. The cover also keeps your hands away from the metal chain, making it more user-friendly. If you have any issues, questions or concerns. Contact us please