FAST SPEED: Up to 100 MB/s read and 20 MB/s write speed with U1 compatibility- CLASS 10: Take photos and record videos with Full HD & 4K resolution- DURALBLE: Waterproof, shockproof, X-Ray proof and magnetic proof- WORKING TEMPERATURE: 0 to 70 Celsius, suitable for most scenarios- MULTIPLE APPLICATION: Ideal for surveillance cameras, digital cameras, drones, smartphones and tablets