Captures extended lengths of 4K Ultra HD video with any UHS-I microSD compatible device Specifically designed for continuous recording with surveillance cameras, dash cameras, and body cameras Read and write speeds up to 100MB/s and 80MB/s respectively *Speed may vary due to host and device configuration High-quality NAND flash for superior endurance and up to 512GB storage capacity for lengthy recording footage Waterproof, shockproof, X-ray-proof, and temperature-proof for use in extreme environments Equipped with an automatic error correction code (ECC) function