5-Digit High SecurityThe bike lock has a 5-digit combination lock, so there are 100,000 possible combinations which are difficult to decode. Wide ApplicationThis padlock chain lock with password is ideal for protecting bicycles, motorcycles, scooters, ATVs, strollers, tool carts, boxes, ladders, gates, doors and fences against theft. DurableThe bicycle lock uses a high-strength alloy locking cylinder and a hard ABS locking head. The bicycle lock adopts 6mm thick hardened steel chain, bold alloy steel chain is more secure and anti-theft. The polyester anti-UV nylon protective cover can protect the bicycle from scratches and prolong the service life of the lock. Convenient Steel chain with a length of 600 mm and a 400g weight. It is long enough to lock your bike or door and easy to carry. ConvenientFactory setting is 00000. Follow the steps and the combination lock can be easily replaced with the desired password. Noticed : Take and save photos after resetting your password.