Fangrui Product Details Secure & Resettable: Smart 5-digit Resettable Combination Chain Lock, Much Safer Than Other 4 Digit Locks. Easy To Set Your Own Personalized Number Combination.braided Steel & Pvc Coating: The Bike Cable Is Made Of High Strength Braided Steel Wire, Which Can Withstand 2.4kn Tension And 7kn Shear Force, More Strength And Flexibility. And The Protective Vinyl Coating(pvc) Helps Prevent Scratching More Durable Wear.self Coiling & Mounting Bracket: 4 Feet By 1/2 Inch Cable Is Long Enough For Different Users; Self Coiling Design Make It Easy To Carry; Equipped With Complimentary Mounting Bracket, The Lock Can Be Easily Added To Other Objects; The Quick Installation Button Makes It Install Or Remove The Lock Conveniently.convenient To Use: Combination Locking Mechanism Provide Keyless Convenience And Set Your Own Password By Easy Steps. With Keyless Convenience Lock, You Dont Worry About Lost The Key And Forget To Carry It.code Design Saves You From The Hassle Of Carrying Keys. The Code Is Resettable - There Are 10,000 Combinations You Can Set, Which Makes The Chances To Crack The Code Only 1/10,0000. The Default Code Is 00000.multi-purpose: The Cable Is 4 Feet, Long Enough To Lock 2-3 Bikes Together, Or Lock Your Bike To A Tree, Gate, Fence, Railing, Thick Pole And Others. The Lock Can Also Be Used For Motorcycles, Scooters, Skateboards, Grills, Ladders, Doors, Lawnmowers And Many Others.