Features: This car collision sensors delivers millisecond levels impacts detection accuracy, ensuring 98% reliabled activation during collisions for enhanced passenger safety. Featuring waterproof construction and high pressure resistant synthetic materials, the sensors maintains 90% functional integrity after 5,000+ durability tests while resisting extreme temperatures and vibrations. Designed for auto repair professional and DIYer vehicle owners seeking OEM compatible safety components to upgrade car systems performances. Optimized for highway driving scenarios, it operates flawlessly in snow conditions where standard sensors often fails. Direct fit installation requires none special tools, with corrosions resistant connectors ensuring long term stability in engine compartment environments. Specifications: Type: Collision sensors Part Number: 77970TZRS11 77970-TZR-S11 Component: plastic Color: black Package Includes: 1pcs Automotive Knock sensors note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.