Dane-Elec MultiMedia Card 256Mb. Internal memory: 256 MB, Flash card type: CompactFlash (CF), Write speed: 1.6 MB/s. Weight: 1.5 g. Data retention: 10 year(s). Standby current: 0.1 mA, Power consumption (write): 40 mA, Power consumption (read): 30 mA. Operating temperature range (T-T): 0 - 55 °C, Operating relative humidity range: 8 - 95 %, Vibration resistance: 15 G