?[2 in 1 Car Safety Hammer]: This multifunctional safety hammer + life-saving seat belt cutlery is durable and reliable, allowing you to quickly get out of the car in an emergency.? [Applicable Underwater]: Compared with the traditional car safety hammer, the spring device can easily break the car window even if the car is underwater, no need to worry about being disturbed by the water pressure.?[How to use]: Open the protective cover, align the U-shaped mouth of the cutlery with the seat belt, quickly push it forward and get off the car easily and quickly. Whether it is the elderly, women or children, it is very convenient to use. Comes with a test glass, you can test the product after receiving it.?[Easy to carry]: This product is only 3.5 inches and includes a mounting base, you can use it to install it on the center console of your vehicle. Or keep it in your pocket, purse, keychain.?[Material]: The window breaker has a built-in high impact solid tungsten steel impactor. Use this glass breaker to aim at the corner of the window and instantly break the tempered glass, which is safe and does not hurt your hands.