1U3 SD card possess high-speed reading, waterproof, cold and high temperature resistant, memory card rate 90mb/s-170mb/s 2C10 high-speed version, for real-time input and output storage of data and high-definition video, used in recorders/SLR cameras/industrial equipment, etc. 3Support power off command and sleep mode, support automatic error correction (ECC) function 4With a shooting speed of up to 90 mb/s and (u3) recording, you are ready to catch stunning highresolution, stutterfree 4k HD video. Moreover, because your rhythm will not let you after shooting, the product provides a transmission speed of up to 170 mb/s to achieve a faster postproduction workflow 5The product is designed to resist weather, water, shock and other less than ideal conditions, so you can rest assured that no matter where your work requires you to go, it is good Item Type: SD Card Product Actual Rate: 90mb/s Maximum Test Rate in A Specific State: 170mb/s Product Features: Support power-off command and sleep mode Support automatic error correction (ECC) function 1 x SD CardDue to the different capacity units and the content control chip driver, the capacity displayed on the computer will be slightly smaller than that indicated.