DAHUA TF-P100/256GB microSD UHS-I, SDXC 256 GB MEMORY CARD . DAHUA P100 memory cards designed for surveillance systems are characterized by reliability, a high level of data protection and high read and write speeds. Type: microSD; Type: UHS-I, SDXC; Capacity: 256 GB; Read speed: 100 MB/s; Write speed: 90 MB/s; Class: 10, U3, V30, A2; SD adapter: None; Dimensions: 15 x 11 x 1 mm; Manufacturer / Brand: DAHUA; Warranty: 2 years; Selected features: . High durability and high efficiency (continuous operation); Resistance to low and high temperature (0 °C.. 70 °C); Waterproof; Resistance to magnetization; Resistance to X-radiation; .