Transcend 32GB SDHC CL 10 UHS-1. Internal memory: 32768 MB, Flash card type: Secure Digital High-Capacity (SDHC). Weight: 2 g, Width: 32 mm, Depth: 24 mm. Operating temperature range (T-T): -25 - 85 °C, Storage temperature range (T-T): -40 - 85 °C, Operating relative humidity range: 10 - 70 %