1. [Material] The lock cylinder is made of rust-proof zinc alloy. The steel cable is made of high-strength braided steel wire, which is high in strength and durable. 2. [Password reset lock] No key is needed, which is convenient to use. You can also easily set your own personalized digital password. The password can be reset - you can set 1000 combinations, which makes the probability of the password being cracked only one in a thousand. The default password is 000, but please don't forget this number. 3. [Easy to carry] It is small in size and light in weight, and can be easily stuffed into a bag and carried around. 4. [Multifunctional bicycle lock] In addition to being used to secure bicycles, motorcycles or scooters, you can also use it to lock skateboards, doors, fences, helmets, sports equipment, toolboxes, etc. 5. [Package contents] The package includes 1 motorcycle helmet lock.