Wireless TTL Flash Trigger Set for Sony Camera Remote Control Transceivers Receiver pixel king for Sony FSK 2.4GHz 1.High Quality King Wireless FSK 2.4GHZ TTL Flash Trigger for Sony ( at Present, Doesn't Support Sony Milc and Mirrorless. Camera:A55A65A77A99Nex-7 and etc) 2. Support ADL-TTLTTLM Mode and FEC, FE Lock ,Front-curtain Sync, High-Speed Sync, Rear-Curtain Sync and High-Speed Sync Studio Lights 3. Support Flash Group Setting in Manual Flash Transmitter, and Support Other Brands Compatible High-Speed Sync Flash and TTL Flash (Metz, Sigma, The New Tyrants, Nissin Nissin Ii) 4. Support One Transmitter Control Multiple Receivers, Flash Focusing Lights and Firmware Update 5.Support Other Brands Flash Triggering (May not in High Speed Sync and TTL Flash Mode); Doesn't Support Grouping Ratio Function Between Multiple Flash