Trek 8GB FluCard Pro SDHC Class 6 WiFi. Internal memory: 8192 MB, Flash card type: Secure Digital High-Capacity (SDHC), Write speed: 6 MB/s. Weight: 4 g, Width: 24 mm, Depth: 32 mm. Security algorithms supported: 128-bit WEP, 64-bit WEP, WPA, WPA2. Colour of product: Blue, White