1 second broken window: In an emergency, you can use your car kit to break the window, remove the cap, press the firing pin 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 casing. New Material: This car safety hammer is made of new material, which is strong and will not break. It has undergone rigorous testing and protective measures. Easy to carry: This safety hammer greatly increases the chance of escape, and has a small appearance and does not take up space. It can be placed next to car seats and windows. Easy to use: gun spring, smart chain to break the window, not afraid of water pressure, can easily break the window in the air. water, can be used directly under any circumstances, greatly increasing the chance of escape