2-in-1 Safety Tool: This multi-function safety hammer and seat belt cutter is durable and reliable, allowing you to get out of your vehicle quickly in an emergency. Powerful: This rescue tool has a built-in high pressure spring. Use this glass breaker to break out the corners of side windows, it causes tempered glass to break instantly, without hurting your hands Applicable people: In an emergency, the window can be broken in 1 second with one press and you can also use it to cut the stuck seat belt if needed. Whether it's an elderly person, a woman or a child, it's easy to get started. Includes a test glass: the package contains two pieces of glass for testing, it is compact and easy to carry or with a Velcro strip to the center console of vehicles Product package: contains two sets of multifunctional safety hammer, two sets of test goggles and fixed brackets