Usage Tips:This is a must-have for electric bicycle owners who prioritize security. Its easy installation process allows you to quickly secure your battery under the seat. The lock's design ensures that it remains from view, adding an extra layer of security by not drawing attention to the battery compartment. Features -Color:Silver -Material:Iron -Size:15.50X15.00X4.90cm/6.09X5.89X1.93in -Lock range: 15-23 cm -Highsecurity lock: the design offers protection against theft for your electric bicycle's battery. -Effortless installation: the lock can be easily installed under the seat, making it convenient for all users -Versatile locking solution: not only secures the battery but also other items under the electric bicycle seat -Robust: made from iron materials, ensuring the lock remains effective and undamaged over longterm use -Universal application: suitable for a wide range of electric bicycle, providing comprehensive antitheft protection Package list: 1 x lock 6 x screws