2-in-1 Safety Tool: This multifunctional lifesaving safety hammer + seatbelt cutter is durable and reliable, allowing you to quickly get out of your vehicle in an emergency situation. People Applicable: This rescue tool has a built-in high-pressure spring. If an emergency occurs, the window can be easily broken with a single push and can also be used to cut through the stuck seat belt when necessary. Whether it is an elderly person, a woman or a child, it is easy to get started. Easy to carry: This product is only 3.5 inches, you can use it to mount it on the center console of vehicles. Powerful: use this chipper to knock out corners of side windows, instantly breaks tempered glass, safe without hurting your hands BONUS: hammer provides fast window breaking of 1 second, even under water. instantly any window in your car with minimal effort, even under water pressure