This OEM memory card slot is tailor-made for BYD models (Sealion 7, Dolphin, Seal, ATTO 3 etc.), enabling seamless integration with the original dashcam system. It supports MicroSD (TF) cards up to 128GB, compatible with Class 10/U3 high-speed specs for stable 1080P loop recording. Featuring a plug-and-play design with a dustproof cover, it ensures easy installation and reliable data storage for your driving records.