3 Pack SanDisk Extreme 16GB SD HC SDHC 16 G Class 10 CL10 Memory Card Speed Up To 45MB/s, Frustration-Free Packaging- SDSDX-016G-AFFP SanDisk Extreme SDHC memory cards are designed, built, and proven to withstand extremely harsh operating conditions to ensure you achieve maximum results every time. Class-10 speed performance for capturing Full HDvideo, even in 3D Transfer photos and videos at read/write speeds of up to 45MB/sec* Advanced Error Correction Code (ECC) engine provides improved data integrity and reliability during read/write operations Waterproof, temperature proof, shock proof, vibration proof, and x-ray proof***