【Pro-Grade Performance for 4K/6K Creators】: Engineered for professional camera users, filmmakers, and photographers, this UHS-II SD card delivers blazing-fast 300MB/s read and 160MB/s write speeds. With V60 Video Speed Class certification, it effortlessly handles 4K/6K-UHD video recording and RAW burst mode photography, eliminating buffer delays during critical shoots. 【V60-Certified Stability for Demanding Workflows】: Featuring the industry-leading V60 rating, perfect for cinema-quality footage. The UHS-II interface combined with U3/UHS Speed Class 3 guarantees smooth 6K time-lapse capture and 120fps slow-motion recording on mirrorless cameras.(1 GB = 1,000,000,000 bytes. Actual user storage may be less.) 【Waterproof and shockproof】: The EF8 memory card is rigorously endurance tested to be waterproof, shockproof, X-ray proof and resistant to extreme temperatures. This makes the SD memory card capable of protecting users' data in a wide range of harsh environments. Let your creativity and inspiration be recorded and transmitted anywhere, anytime! 【Your perfect partner】: Ideal for professional-level photographers, this UHS-II SD card meets your needs for high-speed, high-definition video and fast data transfer. Whether you're shooting outdoors, on a travel adventure or in the studio, it ensures you capture every precious moment. 【5-Year Professional Warranty】: Backed by a 5-year limited warranty covering manufacturing defects. If you have any problems while using the product, please contact me and I will give you a satisfactory solution.