For car emergency use only. This product should not be used as a baton or weapon. The window smasher only breaks tempered glass, it is not designed to break windshields or laminated glass. p> The window breaker works quickly and easily, giving you the best chance of escaping from a vehicle. And also useful for escaping the threat of beasts. Easy to carry, comes with a small box, small and lightweight, suitable for storage and use in the car. Indispensable tool for outdoor use. Simple and effective personal safety device. It is equipped with a hardened steel window breaker that allows you to easily break a window in an emergency.