Sony SF4N4 + Photo Book. Internal memory: 4096 MB, Flash card type: Secure Digital High-Capacity (SDHC). Weight: 2 g, Width: 24 mm, Depth: 2.1 mm. Input voltage: 2.7 - 3.6 V. Operating temperature range (T-T): -25 - 85 °C. Colour of product: Black