Upgraded version of the three-in-one window breaker, one-second window breaker product description: Window breaker: In an emergency, you can use the vehicle tool to break the window, press the escape device to the bottom, the glass is broken, and youcan escape in an emergency. To test the broken window function, please use it on glass or wood. Please do not use the broken window function on soft aircraft. Seat Belt Cutter: Quickly pull the escape device from the key chain, then pull out the bucklefor a quick cut and get out of an emergency. Multi-functional application: 3-in-1 window breaking, including three functions of beeping for help, cutting seat belts, and smashing window glass. Portable and Easy to Carry: Mini size design with keychain,lightweight and easy to carry around. You can put it in your pocket or attach it to a key ring. quantity of delivery: 1 piece (Package contents: Only the above package contents, excluding other products.) size:8.3*3.6*2.2cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:blue colors (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)