Features: Advanced rain sensor with automatic light detection instantly triggers window closure (0.5s response), ensuring cabin dryness and driving safety. Crafted from weather resistant polymer, this low power (0.1W) sensor features impact resistant housing that withstands harsh conditions while preventing false alerts. The product design conforms to ergonomics, which reduces the installation difficulty. Users can complete the installation at homes without professional equipment and reduce the maintenance cost. Perfect for urban commutes and road trips, automatically shielding interiors from sudden rainfall during daytime drives or nighttime parking. It is crafted from polymer with high weatherability, have good corrosion resistance, can work stably in various climatic conditions, and is not easy to age or damage, thus ensuring long-term use. Specifications: Type: Rain and Fog Sensor Part number: 61356832977 61359293281 61359389455 61356814616 61359383882 61359271879 Component: Plastic Color: As shown in the picture Applicable models: Suitable for F01 F02 F03 F04 F06 F07 F10 F12 F13 F18 F25 F26 528i 535i 550i 640i 650i 740i 740Li 750i 750Li 760Li Package Includes: 1pcs Automatic Rain Detection Sensor 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.