The pixel tx king pro transceiver is compatible with canon cameras and can be used to expand your pixel e-ttl king pro radio trigger set. by expanding the pixel e-ttl king pro radio trigger set, multiple speedlites and studio flash units can be triggered. The pixel tx king pro transceiver is a sender and receiver in one. the pixel tx king pro transceiver supports both, manual and automatic ttl communication with the camera and has a range of 300 meters. further, with the tx king pro receiver, ev corrections, sync-mode (1st/2nd curtain, highspeed sync etc.), zoom settings and flash bracketing mode, can be set via the camera menu. Pixel tx king pro transceiver connection specifications The top of the tx king pro transceiver is equipped with a hotshoe compatible with canon speedlites. the bottom of the transceiver is equipped with a hotshoe connection compatible with canon cameras. through the use of an additional synchronization cable, the tx king pro transceiver can be used to trigger a studio flash unit. this synchronization cable can be found in the optional accessories tab below. This triggerset is not compatible with: