Welcome to the store! 1. COMPATIBLE MODELS: CF adapter is compatible with 1D 1DX 1DM Mark ii series, 1D Mark iii series, 20D 30D 300D, Nikon D1 D1X D1H, etc. 2. FUNCTIONAL SUPPORT: WiFi "CF adapter and View support" function, up to 3 users can connect to WiFi CF simultaneously. 3. FILE FORMAT SUPPORT: Video formats for Android AVI, MOV, and MP4, for iOS MP4 and MOV. Photo formats BMP, JPG, and PNG. Audio formats MP3, WAV. 4. PLUG AND PLAY: WiFi memory card to CF adapter supports plug and play, easy to use, fulfilling your needs effortlessly. 5. ABS MATERIAL: Memory card to CF adapter is made of ABS material, durable, lightweight, and compact, easy to carry. Product Type: Memory card to CF adapter Material: ABS Compact Memory Card Capacity: 2T Speed Class 10 WiFi Standard: IEEE 802.11b GN WiFi Encryption: WPA2 OS Support: For iOS 5.1.1+, for Android 3.0+ Applicable: Compatible for 1D 1DX 1DM Mark ii series, 1D Mark iii series, 20D 30D 300D, 40D 350D 350D 400D 400D DIGITAL 5D2D3 50D 7D 7D D1 D1 D1 D1 D1 D1 D2H D2Hs D200 1 x Memory card to CF adapter Your 100% satisfaction is our highest priority. We will provide you with the best service. If you find any issues after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately so we can provide you with the best solution!