Lexar Secure Digital 256Mb. Internal memory: 256 MB, Flash card type: Secure Digital (SD). Weight: 2 g. Power consumption (write): 35 mA, Power consumption (read): 33 mA, Input voltage: 2.7 - 3.6 V. Operating temperature range (T-T): -25 - 85 °C, Operating relative humidity range: 8 - 95 %, Operating shock: 1000 G