Compatibility - Designed for BYD F3 2016-2020. Please ensure this product fits your car before ordering. If you are unsure, please leave a message with your model and year. High Quality - Made from premium ABS material with a high-quality cable that is thicker and longer for safe use. When unplugging after use, do not touch the metal parts at the end with your hands to avoid burns. Intelligent Design - Small and compact to help keep your windshield clear. Includes a rotatable mounting bracket to set the angle to your preference. Built-in fuse, overheat protection, and automatic shut-off provide safe, reliable operation. Easy to Install - Place the windshield heater on the dashboard or another preferred position. Plug the 12V plug into the car’s cigarette lighter receptacle. Press the switch to start. Use Scenarios - Frosty mornings: Quick defrost to restore visibility on the front windshield of a BYD F3 2016-2020 before driving. - Humid or rainy days: Rapid defogging to maintain clear side and front windows for safer driving. - Limited built-in defroster: A portable solution to defog or defrost windows on short trips or in cars without an efficient built-in system.