Sony Memory Stick PRO Duo 16GB. Memory: 16384 MB, CompactFlash (CF), 32 MB/s. Weight & dimensions: 2 g, 31 mm, 1.6 mm, 20 mm. Energy management: 100 mA, 100 mA, 2.7 - 3.6 V. Environmental conditions: -25 - 85 °C