Universal 16 Channels Radio Wireless Remote Speedlite Flash Trigger 1 Transmitter & 2 Receivers

This set consists of a signal sender and two receiver trigger., Globally univeral 433Mhz frequency, 16 isolated channels to suit for specific shooting environments., Transmitting distance up to 30M, no limits with directions or angles., Comes with a PC sync cord for cameras without hot shoe socket., Work with flash units using universal hot shoe like Canon, Nikon, Sigma, Olympus, Pentax (except Minolta SONY, for they use a special hot shoe).