SDHC Class 10 UHS-I (Premium) Combining the already impressive Class 10 specification with the performance boost of UHS-I, Transcend’s Class 10 SDHC Ultra High Speed memory cards help your camera unleash its full potential. When paired with UHS-I compatible devices, these cards offer blazing-fast transfer speeds, perfect for high-speed consecutive shooting and smooth full HD video recording. - Supports Ultra High Speed Class 1 specification (U1) - Smooth Full HD video recording performance - Improved camera response for fast-action consecutive shooting Size 32mm x 24mm x 2.1mm Op. Voltage 2.7V~3.6V Op. Temperature -25°C(-13°F) ~ 85°C(185°F) Durability 10,000 insertion/removal cycles Weight 2g *Note Speed may vary due to host hardware, software and usage.