Transcend's SDXC 300S memory cards offer the performance and capacity you need to take full advantage of your UHS-I-compliant DSLR cameras and camcorders. For everyday moments, capture that moment by selecting the right memory card for your camera. Transcend's SDXC 300S memory cards feature high capacity and excellent performance, making them ideal for remembering the small moments of everyday life forever.Features:-JIS IPX7: Waterproof to 1m depth for up to 30 minutes Temperatures: -25° - 85°C Electrostatics: meet EMC IEC61000-4-2 standards and withstand static electricity X-rays: meet ISO7816-1 standards and are also resistant to X-rays at airport control speed class: Class 10, UHS-I U3, Video Speed Class 30 (V30) Reading speed: 95 MB/s Writing speed: 45 MB/s.