takeMS 512MB HighSpeed SD card (60x). Internal memory: 512 MB, Flash card type: Secure Digital (SD), Read speed: 9 MB/s. Power consumption (write): 40 mA, Power consumption (read): 40 mA, Input voltage: 2.7 – 3.6 V. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -10 - 80 °C