The Dahua 256GB SD Memory Card is a high-performance storage solution designed for both general multimedia use and surveillance applications (P100 series recommended). With fast read/write speeds, up to 100MB/s and 90MB/s respectively, and features like waterproofing, shock resistance, and wide temperature tolerance, this card ensures reliable operation in harsh environments. Ideal for high-definition video recording and 24/7 camera systems when using the surveillance-optimized model.