This bicycle can be unlocked by the password, simple operation and easy to use.The bicycle lock has a four-digit password and is highly confidential.It is versatile and can be used not only on bicycles but also on any tool you want to be protected from.It very compact and easy to carry.Item Name: Bicycle Code LockMaterial: Steel Wire + ABSPassword: 4-digit PasswordFeatures: Universal, Anti-theft, 4 DigitsLength: 100cm/39.37" (Approx.)Steel Wire Diameter: 3mm - 7mm/0.12" - 0.28" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bicycle Code Lock