PEAK SecureDigital Card MLC 2GB. Internal memory: 2048 MB, Flash card type: Secure Digital (SD), Read speed: 10 MB/s. Weight: 2 g, Width: 15 mm, Depth: 10 mm. Endurance: 10000 cycles per logical sector. Input voltage: 2.7/3.6 V. Operating temperature range (T-T): -25 - 85 °C, Storage temperature range (T-T): -40 - 85 °C, Operating relative humidity range: 8 - 95 %