Kingston Technology 8GB SDHC Class 6 Flash Card. Internal memory: 8192 MB, Flash card type: Secure Digital (SD). Weight: 2.5 g, Width: 32 mm, Depth: 24 mm. Input voltage: 3.3 V. Operating temperature range (T-T): -25 - 85 °C, Storage temperature range (T-T): -40 - 85 °C