【Durable and Stylish Design】Made of plastic and aluminum alloy, this car safety hammer is temperature-resistant with a matte finish for a sleek, modern look. Its compact and lightweight design allows for easy carrying. 【High-Strength Tungsten Steel Head】Featuring a tungsten steel head with a Rockwell hardness of 55, this tool easily cuts through metal and glass. The one-key window breaking function utilizes a new gun spring mechanical structure, generating a 20KGF impact force to drive the drill bit for instant shattering. 【Effective Under Water Pressure】Designed to break car windows even under strong water pressure, ensuring quick escape in submerged situations without requiring excessive force. 【Hidden Safety Blade】Equipped with a concealed stainless steel blade for quickly cutting seat belts in emergencies. The U-shaped hidden blade design prevents finger injuries while ensuring effective cutting. 【Multifunctional Safety Tool】This portable car emergency window breaker combines mechanical window breaking, glass shattering, seat belt cutting, and escape functions in one compact device, essential for automotive safety. Specifications: Product Name: Portable Car Emergency Window Breaker Material: Aluminum alloy + ABS Dimensions: 930mm * 30mm * 30mm Impact Force: 6KG Hardness: 65 Surface Treatment: Sandblasting + Oxidation