Welcome to our store! COMPATIBLE MODELS: The CF adapter is compatible with 1D 1DX 1DM Mark ii series, 1D Mark iii series, 20D 30D 300D, Nikon D1 D1X D1H, etc. SUPPORTED FUNCTIONS: The WiFi CF adapter supports the "Shoot and View" function, and up to 3 users can connect to WiFi CF simultaneously. SUPPORTED FILE FORMATS: Video formats for Android AVI, MOV, and MP4; for iOS MP4 and MOV. Photo formats BMP, JPG, and PNG. Audio format MP3, WAV. PLUG AND PLAY: The WiFi memory card to CF adapter supports plug and play, is easy to use, and easily meets your needs. ABS 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 Small Memory Card Capacity: 2T Speed Class: 10 WiFi Standard: IEEE 802.11b G N WiFi Encryption: WPA2 OS Support: For IOS 5.1.1+, For Android 3.0+ Applicable: Compatible with 1D 1DX 1DM Mark ii series, 1D Mark iii series, 20D 30D 300D, 40 d 350 d 350 d 400 d DIGITAL 5 d2 d3 50 d 7 d 7 d2, for Nikon D1 D1X D1H D100 D2H D2Hs D200 Package List: 1 x Memory Card to CF Adapter Customer Satisfaction - Customers are our top priority. If you find any product issues after receiving it, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.