PNY Secure Digital High Capacity 8GB . Internal memory: 8192 MB, Flash card type: Secure Digital High-Capacity (SDHC). Width: 24 mm, Depth: 32 mm, Height: 2.1 mm. Data retention: 114 year(s), Mean time between failures (MTBF): 1000000 h. Input voltage: 2.7 - 3.6 V. Operating temperature range (T-T): 0 - 55 °C, Storage temperature range (T-T): -20 - 65 °C, Operating relative humidity range: 0 - 95 %