【5-Digit High Security】The bike lock has a 5-digit combination lock, so there are 100,000 possible combinations which are difficult to decode. 【Wide Application】This chain lock with password is ideal for protecting bicycles, motorcycles, scooters, ATVs, strollers, tool carts, boxes, ladders, gates, doors and fences against theft. 【Durable】The bicycle lock uses a high-strength alloy lock cylinder and a hard ABS lock 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 bike from scratches and prolong the service life of the lock. 【Convenient】 Steel chain with a length of 1500mm and a weight of 400g. It's long enough to lock your bike or door and easy to carry. 【Convenient】The factory setting is 00000. Follow the steps and the combination lock can be easily replaced with the desired password. Note: Take and save photos after resetting your password.