Cobiter 1 Trigger H760 2.4GHz Wireless Flash Trigger/Wireless Shutter Release Transceiver Kit for Canon Rebel 60D/350D/450D/500D/550D/600D/650D/700D Series, Cobiter combines Ultra high sync-speedFlash group control, Sync flashwired and wireless camera remote controlflash relayflash awakened-upTTL pass-through in one. Different mode camera remote: single/continuous/Bulb, wired or wireless Wirelessly trigger flashguns, studio flashes, outdoor flashes. Flash sync speed can be high up to 1/250s Ultra high sync-speed (Up to 1/8000s); Flash groups control, 3 groups, 7 different combinations. Channels: 16 Suitable For Canon Camera Canon 5D Mark II, 5D Mark III, 1Ds Mark III, 1D Mark IV, 1D Mark III, 7D 60D 50D 40D 450D 500D 550D 600D 650D 1000D 1100D;2. The EOS DSLR Camera without external flash control Package Contents: 1 x H760 transceivers; 1 xFlash sync cable 1*3.5mm-6.35mm flash socket convertor