Features: Note: You need to download "flucard" software from Apple Store or Android Market. Specifications: SD Interface: SD memory Card Physical Layer Version 2.00 SD performance: Class 6. Sequential Write: no less than 6 MBytes/s Wireless Interface: 802.11b/g/n Wi-Fi technology Wireless Security: WEP 64/128, WPA, WPA2 Wireless Range: Camera to Wi-Fi Devices: 20m (Typical) Camera to Camera: up to 6m (Camera model applies) (Note: Wireless range varies with camera body design) Wireless performance: Max connection rate: 65 Mbps Antenna: Internal Buzzer: In-built buzzer Transfer speed: up to 2 MBytes/s. (Note: Transfer Speed varies with camera body design and distance between the devices) Item Dimensions: 32 * 24 * 2.1mm/ 1.26 * 0.94 * 0.08in (L * W * H) Item Weight: Approx. 4g/ 0.14oz Package Dimensions: 15.5 * 9.5 * 1.5cm/ 6.1 * 3.7 * 0.6in Package Weight: 27g/ 0.95oz Package list: 1 * Wireless SD Card 1 * Quick Start Guide