Various Functions: The car window breaker is also designed as a sharp seat belt cutter, providing you with the ability to cut the seat belt in an emergency. Escape tools Car: The car escape window breaker is useful for your self-rescue and allows you to exit the vehicle quickly in an emergency, an essential escape gadget. Waterproof design: l The window escape tool has an upgraded version and a waterproof body, which makes it not easy to damage and convenient to work well underwater. Compact and portable: you can easily hang the hammer car safety tag on the key fob, or put it in the purse or car, helping to handle emergencies. Versatile Application: With an integrated high-pressure spring design, the glass breaker tool offers the elderly, children and women the ability to break glass.