1. Compatibilityfor BYD F3 2016 2020. Please ensure this product fits your car before ordering. If you are unsure, leave a message with your model and year of manufacture. 2. Our car heater defroster is made of quality ABS material and features a cable that is thicker and longer, ensuring safety during use. If you unplug it after prolonged use, avoid touching the metal parts at the end with your hands to prevent burns. 3. Smart DesignCompact and portable, this car heater can be positioned in your vehicle to provide a clear view of the car windows. It comes with a rotatable bracket, allowing you to adjust it to your preferred angle. Equipped with a builtin fuse, overheat protection, and automatic shutoff, it delivers the user experience. 4. Easy to InstallPlace the car windshield fan on the dashboard or your preferred location. Plug the 12V connector into the car's cigarette lighter socket. Press the switch to start it.