Description: Waterproof and Rust - proof: Our bike chain lock is designed to withstand various weather conditions. The waterproof and rust - proof features ensure that the lock remains in good condition over time. Five - digit Password: With a five - digit password system, our bicycle locks anti - theft offer enhanced security. The large number of possible combinations makes it extremely difficult for thieves to crack the code. Durable Alloy Lock Buckle: Crafted with a durable alloy lock buckle, our security bikelock is robust and reliable. The alloy material can resist strong forces, preventing the lock from being easily broken. Portable Design: The portable design of our electromobile combination lock makes it convenient for on - the - go use. You can easily carry it with you, whether you're commuting on a bike or a motorcycle. Multifunctional Use: In addition to securing your vehicles, our motorcycle chainlock is multifunctional. It can also be used to lock gates, fences, or other items Specification: Color: black. Material: Alloy. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: Bicycle chain lock*1