1.Need CF type II slot, NOT for type I thin card!
2.The card adapter supports a Max of 133X (about 20M/S) of write speed conversion. Not suitable for SLR cameras and cameras with high speed requirement.
3.This card set has no WIFI function itself but supports wifi sd card. if you need to use WIFI function, please purchase a WIFI SD card first.
4. Not compatible with Nikon D700 D800 D810!
5.The Eye-Fi Card will not work in Canon 20D, 30D and 40D cameras when used with SD/MMC to CF adapter.

Features
-- Supports SD/SDHC/SDXC all capacities
-- SD 3.0 compatible; accepts class 10 or UHS-1 cards
-- Accepts most wifi SD on the market
-- High-Speed CF interface with extreme performance
-- Supports CF true IDE mode / memory mode / IO mode
-- Equipped with push-push SD socket
-- Supports Windows / Mac OS / Linux

Specifications
Operation Instructions:

insert the media card into this adapter, then insert the adapter to the cf socket of the device.
to extract the inserted media card, please push it again and then remove it.
be noted that to use wifi sd on cf supported camera, the time of "Auto power off" settings should be property adjusted to give wifi SD enough time to finish the WIFI transfer.

Compatible with:
CF Type II Card Adapter (Supports SDHC MMC SDHC SDXC) High Speed
-- for Canon 1D/1DX/20D/30D/300D/350D/350D DIGITAL/40D/400D/400D DIGITAL/50D/5D2/50D/7D;
-- for Sony a100, a200, a300, a35,0 a700, a850, a900;
-- for Nikon D1/D1X/D1H/D100/D2HS/D2X/D200/D300/D3X/D4/D70/D70S/D900;
--support WIFI SD to CF card adapter
-- etc.

Package content
1 * card adapter(SD card not included)
1 * protective case