Gigastone SD applies flash from the world's leading suppliers with leading-edge manufacturing techniques, each Gigastone SD card has become your best choice to enjoy every exciting moment of your life. The durability of the Gigastone SD series even under extreme environmental conditions ensures the safety of your photos, videos. Optimized for rapid-fire photo and HD video. Ideal for Digital point-and-shoot cameras, HD camcorders, DSLR's and PC's. Class 10 and UHS- 1 speed ratings for recording full HD videos. Waterproof, temperature-proof, x-ray-proof, shock-proof and magnetic proof.