Welcome to our store! 1COMPATIBLE MODELS: The CF adapter is compatible with for 1D 1DX 1DM Mark ii series, for 1D Mark iii series, for 20D 30D 300D, for Nikon D1 D1X D1H, etc. 2SUPPORTED FEATURES: The WiFi CF adapter supports the "Shoot and View" function, and up to 3 users can connect to WiFi CF simultaneously. 3FILE FORMAT SUPPORT: Video formats for Android AVI, MOV and MP4, for iOS MP4 and MOV. Photo formats BMP, JPG and PNG. Audio format MP3, WAV. 4PLUG AND PLAY: The WiFi memory card to CF adapter supports plug and play, is easy to use, and easily meets your needs. 5ABS MATERIAL: The memory card to CF adapter is made of ABS material, which is durable, lightweight, and small in size, making it easy to carry. Item Type: Memory Card to CF Adapter Material: ABS Lite Memory Card Capacity: 2T Speed Class10 WiFi Standard: IEEE 802.11b G N WiFi Encryption: WPA2 OS Support: For IOS 5.1.1+ , For Android 3.0+ Applicable: Compatible for 1D 1DX 1DM Mark ii series, for 1D Mark iii series, for 20D 30D 300D, for 40 d 350 d 350 d 400 d 400 d DIGITAL 5 d2 d3 50 d 7 d 7 d2, for Nikon D2 D10X D1 D100 D200 1 x Memory Card to CF Adapter Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.