Features： 1、Anti Theft: Aluminum alloy and steel material, and resistant to prying, sawing and hammering attacks, designed to protect against professional thieves. 2、Adjustable Design: Steering wheel lock is designed with adjustable length, the maximum stretch length is 67cm/26.37in. 3、Strong Security: Sturdy construction adds strength and prevents all kinds of unlocking tools and violent unlocking. 4、Emergency Hammer: This lock can also be used as a safety hammer, when an emergency occurs, you can break the window to save yourself! 5、Simple Operation: User friendly design, easy to install and remove, simple to lock and unlock with a key in seconds. Specification： Item Type: Car Steering Wheel Lock Material: Aluminum alloy and steel Built in Battery: Battery model: cr2032x2, battery capacity 200mAhx2 Product Size: Maximum stretch length is Approx: 67cm/26.37in Application: Suitable for Approx: 6cm/2.36in diameter of the steering wheel Package List： 1 x Steering Wheel Lock 1x Light 2 x Keys 2 x Accessories