1 second broken window: In an emergency, you can use your car kit to break the window, remove the cap and press the striker trigger against the window until it clicks. The razor-sharp blade is designed to cut through stuck seat belts and is safe to use thanks to its plastic housing. New material: This car safety hammer is made of new material that is strong and will not break. It has undergone rigorous testing and protection measures. Easy to carry: This safety hammer greatly increases the chance of escape, looks small and does not take up space. It can be placed next to car seats and windows. Easy to use: Pistol spring, smart cord to break the window, not afraid of water pressure, can easily break the window in the water, can be used directly under any circumstances, which greatly increases the chance of escape