This compact lock is simple and easy to operate, and support warning alert function.It is made of thickened and hardened alloy to effectively protect the lock cylinder and after sealing processing, it has good waterproof effect and is suitable for various bikes and scooters.Made of premium alloy material, it is durable to use.The length of the product is 8.8cm and the thickness is 3.3cm.This anti-theft lock is universal for motorcycle, scooter, bicycle etc.Item Name: Motorcycle LockMaterial:AlloyBatteries: 6 AG13 BatteriesSize:8.8cmx6.5cmx3.3cm/3.46inx2.56inx1.3inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Anti-Theft Disk Brake Rotor Lock2 X Milling Key1 X Hexagon Tool